Selection of Black-and-White Motley Breed of Cattle Using Different Methods of Breeding Selection

Yudin, V. M.; Маратович, Юдин Виталий; Lyubimov, Aleksandr Ivanovich; Иванович, Любимов Александр; Nikitin, Konstantin Pavlovich; Павлович, Никитин Константин

doi:10.12737/18326

Cited by 2 publications

(2 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…З використанням різних селекційно-генетичних прийомів відбувається удосконалення існуючих та виведення нових порід. Серед них значна роль належить племінному підбору, завдяки якому створюються бажанні поєднання селекційних ознак у тварин наступних поколінь (VandeHaar et al, 2016;Yudin et al, 2016;Hutchison et al, 2017;Fyl' et al, 2018).…”

Section: вступunclassified

Features of selection methods in the period of creation of Ukrainian red dairy breed

Pidpala

Shevchuk

2019

SMLNUVMBA

View full text Add to dashboard Cite

Investigation of the selection methods, used during various stages of the creating the Ukrainian red dairy breed, has an actual significance in the evaluation of the methodology of the breed formation process. A comparative analysis found that the female ancestors of the studied cows according to milk yield significantly differed. With each subsequent stage, bulls-breeders, which were used in the breeding process, prevailed over female ancestors of the previous stage according to the milk productivity. The level of maternity benefit of the parents of the second and third stages was higher than that of the parents of the first stage mothers. However, for fatty milk, the parents of stage I parents had a superiority, compared with the second and third stages. While analyzing the milk yield of mothers of cows, it was found a certain pattern. In particular, the increase in milk in the next stages of the breeding of Ukrainian red dairy breed. According to the productivity of cows-primates, derived from different selection methods, determined by the level of support of female ancestors, the effectiveness of the use of highly heterogeneous selection is established. The difference in comparison with the homogeneous selection for the second and third stages was 462 kg (P > 0.999) and 235 kg of milk, respectively. As for the first stage of breeding of Ukrainian red dairy breed, the best results were obtained from the use of moderately heterogeneous selection. Its efficiency is confirmed by the highest milk yield of 359 kg (P > 0.95) of milk compared with homogeneous selection. There was a tendency to increase the fat content in milk of animals in the I, II and III stages of the breeding process in a highly heterogeneous selection in comparison with homogeneous selection, the difference was accordingly 0.04%, 0.05% and 0.03%. It should be noted that in the second stage, heterogeneous selection was effective. Along with the abovementioned, there is a general tendency of reduction of fatty milk production in ІІІ stage compared to І and ІІ stages. This is explained by the inclusion in the program of the breeding process of the Ukrainian red dairy breed using the Holstein breeder bulls. Based on the analysis of the data obtained, we have a convincing confirmation of the effectiveness of a highly heterogeneous selection. In the first and second stages of breeding, the prevail of milk fat was 15.4 kg (P > 0.99) and 12.9 kg (P > 0.95) compared to homogeneous selection. Thus, it is logical to increase the level of milk productivity in the studied cows from the first to the third stage of the withdrawal of Ukrainian red dairy breeds with the advantage of using highly heterogeneous selection.

show abstract

Section: вступunclassified

Features of selection methods in the period of creation of Ukrainian red dairy breed

Pidpala

Shevchuk

2019

SMLNUVMBA

View full text Add to dashboard Cite

show abstract

“…Останнім часом у літературних джерелах все частіше з'являються повідомлення про те, що показники відтворювальної здатності тварин зумовлюються генетичними чинниками, такими як належність до породи, типу, генотипу, ліній, походженням за батьком, методу підбору тощо (Bodnar et al, 2014;Shсherbatyj et al, 2015;Yudin et al, 2016;Kuziv and Fedorovych, 2016;Shсherbatyj et al, 2016;Kuznecov, 2016;Shсherbatyj et al, 2017). Однак, недостатньо вивчено вплив матерів на показники відтворювальної здатності корів.…”

Section: вступunclassified

Reproductive ability of cows and their descendants of different generations

2018

View full text Add to dashboard Cite

The research was carried out on cows of Ukrainian Black-and-White Dairy breed and their descendants of the first and second generations on the conditions of LLC “Veletenj” in the Glukhiv district of the Sumy region. In cows, based on a retrospective analysis of data and the results of their own searches, was studied the age dynamics of reproductive capacity of cows for the first-seventh and higher lactation, and their daughters and granddaughters for the first and higher lactation. It has been established that reproductive ability of cows to some extent is due to their age. Depending on the lactation, the duration of the parturition of the cows of LLC “Veletenj” varied from 278.2 to 280.0, the duration of the indifference period – from 64.4 to 69.0 days, service period – from 123.5 to 136.4, inter-calving period – from 402.2 to 414.8 and in the dry stable period – from 61.3 to 75.8 days, the reproduction rate was 0.91–0.93, the calves output for 100 cows was 90.9–93.0 the index of insemination is 2.41–2.56 and the fertility index is 42.2–44.8. The results of our research indicate that each subsequent generation of cows was characterized by a better reproductive ability, which, in our opinion, is due to the timely abandonment of fetuses and stimulation of infertile cows, as well as an improved level of feeding. The difference in the duration of the service period for the first lactation between the mothers and their daughters was 24.5, for the best lactation – 24.8, for the duration of the interotional period – 24.8 and 23.7 days, respectively, at P < 0.001 in all cases. A more significant difference in reproductive performance was observed between cows and their granddaughters. In terms of the duration of the service period for the first and best lactation, it was 15.5 (P < 0.05) and 33.3 (P < 0,001) and interotional period – 17.3 (P < 0.05) and 33,2 days (P < 0.001) respectively. Between the majority of the studied reproductive abilities of mothers and daughters for the first and higher lactation, the relative variability was positive and reliable, and mothers and granddaughters – low uncertainty and mostly negative (exception – the duration of calving). The highest positive correlation coefficients were observed between the duration of cervix and their daughters (r = 0.113 ± 0.039 at P < 0.001) and granddaughters (r = 0.211 ± 0.088 at P < 0.05) for the first lactation, as well as mothers and daughters for higher lactation (r = 0.114 ± 0.039 at P < 0.01). Between indicators of the indifference period (r = -0.036–0.051) and the index of fertility of cows (r = -0.080–0.014) and their descendants for the lactation under investigation have low, multidirectional, unreliable connections. The influence of mothers on indicators of reproductive function of descendants is established. They made the most significant impact on the duration of service and inter calving periods, reproduction rate, calving out of 100 cows and the index of daughter insemination (ηx2 = 27.57–52.22%). For higher lactation, this effect was significantly lower (exception – the index of insemination) – ηx2 = 15,39–28,10%.

show abstract

Selection of Black-and-White Motley Breed of Cattle Using Different Methods of Breeding Selection

Cited by 2 publications

References 0 publications

Features of selection methods in the period of creation of Ukrainian red dairy breed

Features of selection methods in the period of creation of Ukrainian red dairy breed

Reproductive ability of cows and their descendants of different generations

Contact Info

Product

Resources

About