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BREEDING AND PRODUCTIVE QUALITIES OF THE KAZAKH WHITEHEAD HEIFERS OF THE DIFFERENT GENOTYPES "ZHANABEK" LLC

BREEDING AND PRODUCTIVE QUALITIES OF THE KAZAKH WHITEHEAD HEIFERS OF THE DIFFERENT GENOTYPES "ZHANABEK" LLC
Иван Тегза, доцент, кандидат сельскохозяйственных наук, доцент

Тегза Александра, профессор, доктор ветеринарных наук, профессор

Колбасина Алена , магистрант

Костанайский государственный университет им.А.Байтурсынова, Казахстан

Фаткуллин Ринат , профессор, доктор биологических наук

Южно-Уральский государственный аграрный университет

Ячник Леонид , костанайская научно исследовательская ветеренарная станция филиал то «казниви»

Участник первенства: Национальное первенство по научной аналитике - "Казахстан";

Открытое Европейско-Азиатское первенство по научной аналитике;

UDK  636.064

 

Analysis of the indicators of effectiveness of rearing heifers was carried out from the birth to 18 months. Production costs taking into account the growth of heifers in group I was more at 186 360 tenge, it is more than that of heifers of the 2nd and 3d groups on 6 001 and 11 939 tenge or as percentage of 3.2% and 6.4%.The cost price of 1 quintal of the body weight of heifers of all groups was quite high. However,  the most of its value to all periods of growth was characteristic to  3 groups of heifers  and it was 41,529 tenge, with respect to the group 1 and 2 it was 1 452 - 445 tenge or 3.5 - 1.1%. in the period from birth to 18 months. Accordingly, the profit from the sale of the  heifers of the 1st  group was higher than in the groups of the  same age is 15 295 - 30 475 KZT, or 5.6 -. 11.2%. 

Keywords: cattle breeding, Kazakh white-headed breed, growth rates of young growth, pure gain, live weight

 

The important structural elements are breed lines and related groups, allowing to improve the herd for breeding and productive qualities. Proper rearing is an integral part of improving the herd and makes optimal expression of the genetic potential of the productive qualities of animals [1].

It is necessary to involve all animal genetic resources of domestic origin to improve the productive qualities of the animals. The use of highly productive breeds of animals, intensive forms of organization and beef production technology occupy a leading position in the meat balance must expand therefore and everywhere. In decision of this task, a significant role is given to more efficient use of available resources rock cattle inbreeding of different types [2]. In order to improve the status of beef cattle it is necessary to conduct breeding work effectively, taking into account the diversity of genotypes of cattle beef productivity of domestic breeding, which are bred in Kazakhstan, it is necessary to scientifically substantiate the feasibility of using different genotypes and taking into account their competitiveness in terms of meat productivity, slaughter yield , meat quality, reproductive capacity [3]. In recent years, beef cattle, both in the region and in Kazakhstan as a whole is developing quite rapidly, which is undoubtedly due to the state policy of support of this direction, developing and implementing long-term programs of development of the industry "Development of beef cattle of the Republic of Kazakhstan" on 2012-2020 years. The program is implemented in phases: first - 2012-2015 years; second - 2015-2020 years, [4].

Kostanay region is a major producer and supplier of breeding stock of specialized beef breeds. Yearly breeding farms sell to agricultural 2,0-2,5 thousand and more  of the  heads of highly productive young animals , mostly Kazakh white breed..

The aim of the search: to study the breeding and productive qualities of calves of the Kazakh white breed in the conditions of LLC "Zhanabek", which will allow increasing the efficiency of beef production and improving the quality of its meat?

Materials and Methods: Scientific and economic research was carried out in LLC "Zhanabek" Altynsarin District, Kostanay region through Kazakh white breed animals.

In the experiment on breeding and productive qualities, in order study the effectiveness of the intensive rearing of heifers of the 2015 birth of the Kazakh white breeds,   three groups of pairs of analogs in 21 head in each group was formed. Having divided   them as belonging to different lines, heifers belonging to the line of Landysh were included in the 1st group, the 2nd group consisted of heifers belonging to Viskounta’s line and heifers belonging Smychok’s line were included in the 3d group of Kazakh white breed.

The experimental herd of young animals from birth to 8 months of age have been grown  for meat cattle breeding technology together with  cows. After weaning young animals were kept up to 18 months of age in the same production conditions. Feeding of the animals was calculated to obtain the average daily weight gain of 800 – 900 grams. 

Accounting of palatability of feed was conducted for two days on the adjacent difference given masses and the remnants of uneaten during housing. In order to study the growth and development monthly weighing up to feed at the age of 8, 12, 15 and 18 months, which resulted in the expected absolute, average daily gain and body weight, the relative growth rate of the formula S. Brodi and magnification of live weight with age was carried out.

Heifers breeding values of the  ​​1st, 2nd and 3d groups were evaluated based on the results of tests on their own productivity. The economic efficiency of growing heifers was determined based on prevailing costs for the period from birth to 18 months.

The results of researches. One of the main factors that determine the productivity of meat heifers is a full feeding. Valuable quality of breeding animals cannot be kept without a sufficiently high feeding level. Identical diets and feeding standards were used for all groups of animals. Among the environmental factors of feeding, the importance is in the formation of meat productivity of animals. Feed rations made up according to available stocks at the farm and feed set, comprising obtaining the average daily gain during the whole growing period - 800 – 850gram.  The ration structure was typical for the majority of households Kostanay region. It contained a significant amount of concentrates, hay and green fodder. Over the entire period of experiment three groups of animals were fed from 3157 to 3185 of feed units and from 317 to 320 kg of digestible protein. 1 feed unit had from 100.4 to 100.5 g of digestible protein. The concentration of metabolizable energy was from 8.45 to 8.46 MJ. On average, through the period of experience of the diet structure, drawing (2) was as follows: concentrates - 39.2%, gross - 35.1%, succulent feed - 25.7%.

The characteristic difference in body weight between animals due to the same feeding and management during the period from birth to 8 months has not been established. However, in the further growth and development the heifers from the 1st and 2d groups had an advantage over the studied parameters according to the 3d group of heifers belonging to line of Smychok. The studding of the individual development of animals on different periods opens the opportunity of the ruling by the growing and development of animals on definite stage of ontogenesis.

Analysis of the received data showed that the really weight of newborns was significantly higher in group 1 heifers than in animals of the 2nd  and the 3d groups. In Group 1 heifers in 8 months the really weight was 203.0 kg. They outscored their counterparts really weight from their analogs of the 2nd and the 3d groups on 4.6 - 6.6 kg, respectively, or 2.3 - 3.3%. Thus, 3 groups of  heifers  in aged of 10 months inferior peers the 1st  and 2nd  groups  at 13.9 kg (5.4%) and 4.9 kg (2%). At the age of 12 months in heifers of the 1st group the really weight was higher than that of peers at 13.2 - 21.1 kg, or (4,1 - 6,5%). The difference between heifers of the 1st and the 3d groups was statistically significant.  The advantage of the heifers of the 1st group at the age of 15 months peers over the 2nd and the3d groups 2 and 3 was 18.5 kg (4.7%) and 32.7 kg (8.3%).

In the age period  from birth to 15 months animals of groups 1 and 2 had the absolute growth in table 2, according to body weight had the advantage over the individuals within the group 3  about 18.1 - 32.8 kg (4.9 - 8.9%).

Analysis of the dynamic of the absolute increase of the body weight shows that

heifers of groups 1 and 2 in all age periods differed of greater intensity of growth, due to more optimal genetic parameters of linear animal origin. The data of the  table shows that the dynamics of the absolute growth of heifers of different groups has its own figures. The results of the received data showed that heifers of group 1 at weaning at 8 months exceeded  heifers of the 1st and 3d  groups on 4.2 - 6.7 kg, or 2.4 - 3.8

Analysis of the table 3  of dynamics of average daily weight gain of the body shows that in all age periods of greater intensity of growth differed heifer groups 1 and 2, which shows the superiority linear genetic potential of animals.

At the age of 12 months in heifers of the  1st  group absolute increase was 63.5 kg, which is higher than that of the same age in group 2 and 3 on  4.2 - 7.2 kg or (6.6 -11.3%). The difference between the 2nd and 3d groups of heifers was 3 kg (5.1%). Advantage of the heifers in  group 1  at the age of 15 months peers over groups 2 and 3 was 5.3 kg (7.3%) and 11.6 kg(16,1 %).

In intensive rearing heifers should be fed so that their body weight compared with weight at birth to the age of one year increased in 8 - 10 times, and one and a half years in 13 -15 times.

Applied heifer rearing system takes into account the biological characteristics of animal growth and development, their ability to create their high productivity and strong constitution, and be economically effective. The ability of the young organism has shelving in the organs and tissues of the proteins that are actively involved in the exchange. With age, this ability is reduced and gains increased largely due to fat deposits.

The average daily gain from birth to 8 months of heifers in all groups was at the same level, it shows the good milk of mothers in the pasture period. Results of the average daily gain in the period from 8 to 10 months have shown that in group I heifers they   were at the level of 0.942 g that were  higher than that peers with the 2nd and 3d groups on 74 - 122 g, or 7.9 - 13.0%.

The average weight gain in heifers of the 1st group of the line of Landysh of Kazakh white breed in the period from 10 - 12 months amounted  1058.3 g, it was higher than in the same age of group 2 and 3 of the lines of  Viskounta and Smychok on 70.3 - 120.3 g or 6.6 - 11.4%.  

Analysis of the results in the period from 12 to 15 months showed the superiority of the group 1, it was 802.2 g, which is higher in comparison with the peers of the 2nd and 3d groups on 22 - 129 g, or on 7.4 - 16.1%.  Over the period of growth from birth to 18 months daily increase was 820.0 grams and was on 40.0 g, or 4.9% and on 73.0 grams, or 8.99%.

Thus, the received data shows that the conditions of feeding and growth had a significant influence on the formation of body type and the exterior of animals. Economically useful qualities of heifers of Kazakh white breed in using her bulls of different genotypes were revealed.  The comparative results of the assessment of breeding qualities of heifers, taking into account the body type and the achieved level of progress in breeding herd were showed. The power of the influence of sires of different genotypes on the productive qualities of heifers were revealed, the breeding and genetic parameters of the main economic-useful signs in the genetically determined groups were defined.

Heifers from the experimental groups in all periods of growth had the balanced and proportional physique, well expressed meat shape, typical for cattle meat direction. Meanwhile features of feeding and the maintenance of young growth promoted manifestation of certain distinctions in an exterior form: linear measurements a telok of the first two groups were more, than contemporaries have 3 groups. Meanwhile, the features of feeding and keeping the young animals facilitated the manifestation of certain differences in the form of the exterior: the linear measurements of heifers of the first two groups were greater than in the same age of group 3. They are distinguished by an elongated and voluminous trunk, tall, large latitudinal soundings. At the same time, and they were characterized by high performance indexes body – stretch, deep chest, massiveness, weight of meat. It is known that a separate survey taken in absolute terms out of connection with other surveys does not give a complete picture of the animal physique establishing exterior features of the representatives of different lines, determining the ratio of individual anatomically related measurements at different ages of physique indexeswere calculated.. Perhaps, exactly the of the result of the growing and changing morphological and functional properties of the heifers organism of studied lines gives an indication about the dynamic measurements such as width of maklokovs and the width in the Ischia tuberoses at the age of 18 months in the conditions of LLC "Zhanabek", about the physiological age and reproductive ability of heifers.

Intensity of body type at the age of 18 months was measured on a scale evaluation of the young animals by exterior and stature based on height at the sacrum and the scoring of the constitution and exterior. Index for this feature in heifers from Landysh’s bulls in both cases was greater than that of peers from other bulls on 20.9% and 19.9%, respectively.

The differences in measurements between the treatment groups survived to 18 months of age.So the  heifers of the 1st group were superior to their peers  heifers of the line of Viskounta and Smychok by depth, breast width, width Maklakov, metacarpus.And according to the width in the Ischia tuberoses they surpassed the 2nd and the 3d group at 3.2 - 4.4%, but the difference was not statistically false between them. In our studies, the exterior of animals was assessed by body size, body type visually on the basis of measurements, and method of linear estimation.

In our studies, the exterior of animals  was assessed by body size, body type visually, on the basis of measurements, method of linear estimation. According to the result of the research  based on the data analysis of the growth, exterior features of group 1 of the line of Landysh, it can be noted that such measurements of the height at the withers, height at sacrum and etc, by the scoring line Landysh heifers were classified as elite-record.

Analysis of the performance of growing heifers were carried out from birth to 18 months.  The production costs, taking into account the keeping of heifers in the 1st  group  was more at 186 360 tenge , it is more than that  was among the  heifers of the 2nd  and 3d  groups at 6 001 and 11 939 tenge or as a percentage of 3.2% and 6.4%. The cost price of 1 quintal of weight gain of heifers of all groups was quite high. However, most of its value to all periods of growth was characterized for the 3d group of heifers and it was 41,529 tenge, and with respect to the group 1 and 2, it was 1 452 - 445 tenge or 3.5 - 1.1% in the period from birth to 18 months.

The best feed conversion gain was characterized by heifers of  Group I, under the current costs of growth  they are characterized by large gross gain, which provided them more realizable value. Accordingly, the profit from the sale of heifers of the 1st  group was higher than in the group of the same age on 15 295 - 30 475 KZT, or 5.6 -. 11.2%. Net income was in heifers of the 1st  group 83 660 KZT, that in relation to the 2nd  and 3d groups of heifers were 9 294 -. 18 539 KZT, or 11.1 -. 22.1%.

Meanwhile, the large value of production costs in the Group 1 heifers, but high body weight contributed to an increase in the level of profitability, it amounted to 44.9%, and according to this indicator they exceed the 2nd and 3d animal groups by 3.7% and 7.6%. The profitability level in heifers from the bulls of line Landysh and Viskounta were larger compared with heifers Smychok’s lines, both in keeping and in growth. Young animals of Landysh‘s line on this indicator exceeded heifers from other bulls – producers.It was found that, irrespective of the linear supplies production costs taking into account the content of the heifers were great at growing: the difference was through the line of  Landysh - 186,360 tenge, in line of Viskounta - 180 359 tenge and in line of Smychok - 174 424 tenge. It should be noted that the profit from the sale of heifers Landysh’s  line was greater than that of peers when grown under conditions of farm LLC "Zhanabek".

Conclusion.  Growing in the same conditions had a significant influence on breeding and productive qualities and linear heifers belonging.

At the age of 12 months in heifers of Group 1 body weight was higher than that of peers at 13.2 - 21.1 kg, or (4,1 - 6,5%). The difference between the 1st and the 3d heifers groups was statistically significant. The advantage of the heifers of the 1st group at the age of 15 months peers over Groups 2 and 3 was 18.5 kg (4.7%) and 32.7 kg (8.3%).  At the age of 12 months in heifers of the 1st  group absolute increase was 63.5 kg, which is higher than that of the same age of the group 2 and 3 to 4.2 - 7.2 kg or (6.6 -11.3%). The difference between groups 2 and 3 of the heifers was 3 kg (5.1%).  The advantage of the heifers of Group 1 at the age of 15 months peers over Groups 2 and 3 was 5.3 kg (7.3%) and 11.6 kg (16.1%).Over the entire period of growth from birth to 18 month daily increase was 820.0 grams and was higher on 40.0 g, or 4.9% and on 73.0 grams, or 8.99%. Heifers of Landysh’s line 9879 in comparance with peers had differences in measurements of up to 18 months of age. So heifers of the 1st group were superior to their peers and heifers line of Viskounta  and Smychok by  depth, breast width, width maklakov, metacarpus. A width in the Ischia tuberoses surpassed groups   2 and 3 at 3.2 - 4.4%, but the difference was statistically false between them.  Prolixity index was higher in heifer’s line of the Landysh - it amounted to 113.59%, which is higher than that of heifers 2 and 3 groups of 1.14 - 1.24%. And the difference between groups 2 and 3 was 0.10%, respectively. At the same time density index in heifers of group1 in 12 months. It was greater than for heifers on other lines on the 1.38% and 2.68% respectively.

After slaughter of heifers conducted at 18 months of age category the meat of the 1st category were obtained.And it was found that the level of nutrition and the related growth and development of heifers contributed to the high indicaters of young animals. The body weight of heifers of group I was 234.8 kg. And with heifers of Groups 2 and 3, the figure was respectively 221.5 and 208.3 kg

In analyzing the results of body weight of heifers of group 1 was 13.3 - 26.5 kg more than the heifers Group 2 and Group 3 and constituted as a percentage of 5.7 - 11.3%

Analysis of the indicators of effectiveness of rearing heifers was carried out from the birth to 18 months. Production costs taking into account the growth of heifers in group I was more at 186 360 tenge, it is more than that of heifers of the 2nd and 3d groups on 6 001 and 11 939 tenge or as percentage of 3.2% and 6.4%.The cost price of 1 quintal of the body weight of heifers of all groups was quite high. However,  the most of its value to all periods of growth was characteristic to  3 groups of heifers  and it was 41,529 tenge, with respect to the group 1 and 2 it was 1 452 - 445 tenge or 3.5 - 1.1%. in the period from birth to 18 months. Accordingly, the profit from the sale of the  heifers of the 1st  group was higher than in the groups of the  same age  is 15 295 - 30 475 KZT, or 5.6 -. 11.2%.  Net income was in heifers of the 1st  group 83 660 KZT, that in relation to the 2nd and 3d groups of heifers were 9 294 -. 18 539 KZT, or 11.1 -. 22.1%.

 

References:

  • 1. Zhazylbekov N.A. The development of specialized beef cattle - a priority direction [Text]: Journal of Agricultural Science of Kazakhstan. / NA Zhazylbekov, KP Tajiev, Kuliev TM, etc. // - Almaty: Bastau, 2005. №5 - p. 32-36. 
  • 2.  Isentaev D.A.  Features of the exterior of animals’ different types of body [Text]: Ways to increase production and improve the quality of animal products: / D.A. Isentaev // - Orenburg, 2001. - p. 44-45
  • 3. Amerhanov H.A. The priority directions of beef production and  the development  of beef cattle in Kazakhstan [Text] / H.A. Amerhanov, V.V. Shapochkin, G.P. Legoshin // Milky and beef cattle. - 2007. № 3. - p.2-6.
  • 4. Kayumov F.G.  Meat efficiency and quality of meat of young Kazakh white breed and its hybrids [Text]:Journal of beef cattle:/F.G. Kayumov, M.P. Dubovskova, K.N. Ishchanov //Materials of the international scientific-practical Conference. - Vol. 57. - Orenburg, 2004. - p. 53-58.
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Тегза Александра Алексеевна

Уважаемые коллеги! Больше спасибо Вам за высокую оценку нашей работы! Всем Вам также желаем творческих успехов и интересных научных исследований! С уважением Александра Тегза

Костин Максим Валериевич

Уважаемый Иван Миклошевич, представленная Вами работа актуальна не только для условий Северного Казахстана, но и для южных засушливых регионов РФ с низкой кормовой базой (Калмыкия, Ставропольский край, Астраханская обл.). В этих регионах особенно важна племенная работа в мясном скотоводстве. Желаю Вам успехов в дальнейшей работе! С уважением, Костин Максим Валериевич

Иван Миклошевич Тегза

Уважаемый Максим Валериевич! Благодарю за положительную оценку нашей работы и признание актуальности исследований не только для Северного Казахстана, но и для животноводства в целом. Желаю вам дальнейших успехов в научных исследованиях. С уважением Иван Тегза

Химич Галина Захаровна

Уважаемые авторы! Хочется отметить исключительную значимость Вашей работы для нашей Республики Казакстан. Вами дан убедительный анализ показателей эффективности выращивания телок в течение восемнадцати месяцев, отмечая приоритетную значимость видов кормов на прирост скота, доказательно приведена экономическая эффективность выращивания телят казахской белоголовой. Желаю Вам дальнейших успехов. Галина Химич.

Иван Миклошевич Тегза

Уважаемая Галина Захаровна! Благодарим Вас за высокую оценку нашей работы! Очень приятно получить положительную оценку нашего труда. Не смотря на трудоемкий процесс исследований мы намерены продолжить исследования которые необходимы сельскохозяйственному производству. Икренне желаем высоких результатов Вам и Вашим ученикам! С уважением Иван Тегза

Сарсекова Дани

Уважаемые авторы! Для государства, как наше, имеющее животноводческое направление, Ваша работа исключительно актуальна. Для прироста скота нужна хорошая кормовая база. Вами изучено влияние вида кормов на их прирост и дана экономическая эффективность выращивания телят. Работа очень интересная, наукоемкая, результаты достоверны и достойна высокой оценки. Желаю успехов в дальнейшей работе. С ув.Дани

Иван Миклошевич Тегза

Уважаемая профессор Дани Сарсекова! Спасибо Вам за интерес к нашей работе и высокую оценку результатов исследования! Особенно важны полученые результаты в условиях северного Казахста. Животноводство нашей страны в последние годы все больше применяет научные данные для полноценной реализации потенциала высокопородного скота. желаем Вам творческих успехов и высоких достижений. С уважением Иван Тегза

Коколова Людмила Михайловна

Научная статья участвующая в Национальном первенстве по научной аналитике - "Казахстан" в открытое Европейско-Азиатское первенство по научной аналитике. Авторы научно-аналитической статьи достаточно провел анализ показателей эффективности выращивания телок проводили от рождения до 18 месяцев. Как считают авторы статьи, одним из основных факторов, определяющих продуктивность для мясной продуктивности племенных телят является достаточный уровень кормления. В эксперименте на селекционных и продуктивных качествах, в целях изучения эффективности интенсивного выращивания телок белых пород казахских, была сформирована три группы пар аналогов в 21 головах в каждой группе разделив их по принадлежность к разным линиям, телки, принадлежащие к линии Ландыш были включены в 1-й группе вторая группа состояла из телок, принадлежащих к линии Viskounta в 2-й группе и телок принадлежащих линии Смычок были включены в 3 группе. Для всех групп животных составили одинаковый рацион по стандарту кормления, которая содержала значительное количество концентратов, сена и зеленых кормов. В течение всего периода эксперимента три группы животных кормили от 3157 до 3185 кормовых единиц и от 317 до 320 кг перевариваемого белка. В результате получено средний прирост веса в телок 1-й группы по линии Ландыш казахской белой породы в период с 10 - 12 месяцев составил 1058.3 г, она была выше, чем в том же возрасте группы 2 и 3 линий Viskounta и Смычок на 70,3 - 120,3 г или 6,6 - 11,4%. Кормовые рационы исследователями составлены в соответствии с кормовыми запасами, что состояло из 39,2% концентрата, грубых кормов - 35,1%, сочных кормов - 25,7%. в результате получено средне- дневной прирост составил 800 - 850 гр. в сутки. Анализ динамики абсолютного увеличения массы тела показывает, что телок групп 1 и 2 во всех возрастных периодах отличались большей интенсивности роста, за счет более оптимальных генетических параметров линейного животного происхождения линии Ландыш, телок группы I, в соответствии с текущими затратами роста они характеризуются большой валовой выручки, что обеспечило им более реализационной стоимости. Соответственно, прибыль от продажи телок 1-й группы была выше, чем в группе того же возраста на 15 295 - 30 475 тенге, или 5,6 -. 11,2%. Чистая прибыль в телок 1-й группы 83 660 тенге, что по отношению к 2-й и 3-группы телок были 9 294 -. 18 539 тенге, или 11,1 -. 22,1%. Ваши научные исследования и полученные результаты достоверны, достойны высокой оценки, с уважением Людмила Коколова

Иван Миклошевич Тегза

Уважаемая ЛюдмилаМихайловна! Спасибо Вам за высокую оценку нашего трудоемкого исследования! Особенно важны полученые результаты для сельхозпроизводителей северного региона нашей республики. Отрасль животноводства нуждается в поиске новых методов скотоводства основанных на научных данных. С уважением Иван Тегза
Комментарии: 9

Тегза Александра Алексеевна

Уважаемые коллеги! Больше спасибо Вам за высокую оценку нашей работы! Всем Вам также желаем творческих успехов и интересных научных исследований! С уважением Александра Тегза

Костин Максим Валериевич

Уважаемый Иван Миклошевич, представленная Вами работа актуальна не только для условий Северного Казахстана, но и для южных засушливых регионов РФ с низкой кормовой базой (Калмыкия, Ставропольский край, Астраханская обл.). В этих регионах особенно важна племенная работа в мясном скотоводстве. Желаю Вам успехов в дальнейшей работе! С уважением, Костин Максим Валериевич

Иван Миклошевич Тегза

Уважаемый Максим Валериевич! Благодарю за положительную оценку нашей работы и признание актуальности исследований не только для Северного Казахстана, но и для животноводства в целом. Желаю вам дальнейших успехов в научных исследованиях. С уважением Иван Тегза

Химич Галина Захаровна

Уважаемые авторы! Хочется отметить исключительную значимость Вашей работы для нашей Республики Казакстан. Вами дан убедительный анализ показателей эффективности выращивания телок в течение восемнадцати месяцев, отмечая приоритетную значимость видов кормов на прирост скота, доказательно приведена экономическая эффективность выращивания телят казахской белоголовой. Желаю Вам дальнейших успехов. Галина Химич.

Иван Миклошевич Тегза

Уважаемая Галина Захаровна! Благодарим Вас за высокую оценку нашей работы! Очень приятно получить положительную оценку нашего труда. Не смотря на трудоемкий процесс исследований мы намерены продолжить исследования которые необходимы сельскохозяйственному производству. Икренне желаем высоких результатов Вам и Вашим ученикам! С уважением Иван Тегза

Сарсекова Дани

Уважаемые авторы! Для государства, как наше, имеющее животноводческое направление, Ваша работа исключительно актуальна. Для прироста скота нужна хорошая кормовая база. Вами изучено влияние вида кормов на их прирост и дана экономическая эффективность выращивания телят. Работа очень интересная, наукоемкая, результаты достоверны и достойна высокой оценки. Желаю успехов в дальнейшей работе. С ув.Дани

Иван Миклошевич Тегза

Уважаемая профессор Дани Сарсекова! Спасибо Вам за интерес к нашей работе и высокую оценку результатов исследования! Особенно важны полученые результаты в условиях северного Казахста. Животноводство нашей страны в последние годы все больше применяет научные данные для полноценной реализации потенциала высокопородного скота. желаем Вам творческих успехов и высоких достижений. С уважением Иван Тегза

Коколова Людмила Михайловна

Научная статья участвующая в Национальном первенстве по научной аналитике - "Казахстан" в открытое Европейско-Азиатское первенство по научной аналитике. Авторы научно-аналитической статьи достаточно провел анализ показателей эффективности выращивания телок проводили от рождения до 18 месяцев. Как считают авторы статьи, одним из основных факторов, определяющих продуктивность для мясной продуктивности племенных телят является достаточный уровень кормления. В эксперименте на селекционных и продуктивных качествах, в целях изучения эффективности интенсивного выращивания телок белых пород казахских, была сформирована три группы пар аналогов в 21 головах в каждой группе разделив их по принадлежность к разным линиям, телки, принадлежащие к линии Ландыш были включены в 1-й группе вторая группа состояла из телок, принадлежащих к линии Viskounta в 2-й группе и телок принадлежащих линии Смычок были включены в 3 группе. Для всех групп животных составили одинаковый рацион по стандарту кормления, которая содержала значительное количество концентратов, сена и зеленых кормов. В течение всего периода эксперимента три группы животных кормили от 3157 до 3185 кормовых единиц и от 317 до 320 кг перевариваемого белка. В результате получено средний прирост веса в телок 1-й группы по линии Ландыш казахской белой породы в период с 10 - 12 месяцев составил 1058.3 г, она была выше, чем в том же возрасте группы 2 и 3 линий Viskounta и Смычок на 70,3 - 120,3 г или 6,6 - 11,4%. Кормовые рационы исследователями составлены в соответствии с кормовыми запасами, что состояло из 39,2% концентрата, грубых кормов - 35,1%, сочных кормов - 25,7%. в результате получено средне- дневной прирост составил 800 - 850 гр. в сутки. Анализ динамики абсолютного увеличения массы тела показывает, что телок групп 1 и 2 во всех возрастных периодах отличались большей интенсивности роста, за счет более оптимальных генетических параметров линейного животного происхождения линии Ландыш, телок группы I, в соответствии с текущими затратами роста они характеризуются большой валовой выручки, что обеспечило им более реализационной стоимости. Соответственно, прибыль от продажи телок 1-й группы была выше, чем в группе того же возраста на 15 295 - 30 475 тенге, или 5,6 -. 11,2%. Чистая прибыль в телок 1-й группы 83 660 тенге, что по отношению к 2-й и 3-группы телок были 9 294 -. 18 539 тенге, или 11,1 -. 22,1%. Ваши научные исследования и полученные результаты достоверны, достойны высокой оценки, с уважением Людмила Коколова

Иван Миклошевич Тегза

Уважаемая ЛюдмилаМихайловна! Спасибо Вам за высокую оценку нашего трудоемкого исследования! Особенно важны полученые результаты для сельхозпроизводителей северного региона нашей республики. Отрасль животноводства нуждается в поиске новых методов скотоводства основанных на научных данных. С уважением Иван Тегза
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