Productivity and Estimated Breeding Value of the Dairy Cattle Gene Pool in the Republic of Kazakhstan

Updating the Treatment Method of the Follicular Ovarian Cysts in Cows of the Dairy Productivity Direction in the East-Kazakhstan Region

“…Herewith, most cows recover without treatment in the period from 13 to 28 days, but in 35-40% of cases anovulatory cycles and cystic formations reappear. According to the results of our own research, functional disorder of the ovaries in the form of follicular cysts in high-milk herds is registered in up to 20% of the cows of the production department [4,5].…”

Comparative Study of Fruitfulness of Cow Insemination of a Milking Herd at Various Levels of Productivity in the Conditions of Bayserke-Agro LLP

“…It has been established that the milk productivity of Holstein cows increases until the fifth lactation [7]. Therefore, the high lifetime productivity of cows is a consequence of the good development and functioning of all organs and systems of vital activity of the organism, including reproductive organs.…”

The Estimated Breeding Value of Servicing Bulls of Domestic Breeds by Offspring Quality Using the Blup Method

“…The work is aimed at identifying the best servicing bulls for subsequent custom mating. At the same time, the possibilities of electronic animal databases are widely used, as well as the possibilities of genomic selection [8].…”

“…Based on the results of our research, we consider it appropriate to offer for use in Kazakhstan the following formulas (7,8) for calculating the estimated breeding value by the udder health: ,…”