The influence of bulls of different linear accessory on daughters’ dairy efficiency

The purpose of the research was to estimate the influence of bulls of different linear accessory on daughter’s dairy efficiency. The researches were conducted in JSC Breeding Farm “Tayezhny’ of Sukhobuzimsky area of Krasnoyarsk Region. 6groups of firstcalf heifers up to 25 heads depending on belonging to manufacturing bull to the line were created. The first group included the daughters of bulls of Vodopad 7787 and Oscar of 899, lines Montvik Chieftain 95679, the second - Boyer 7773 and Mason of 5091 lines Reflection Sovereign 198998, in the third - Capral 1400 and Rulet of 809 lines Vis Back Ideal 10134150, both for 100, and in 305 days of lactation. The influence of manufacturing bulls on dairy efficiency of daughters of black and motley breed of Krasnoyarsk type was established. The best results in the herd of JSC Breeding Farm “Tayezhny” were shown by manufacturing bulls with a good combination of the main components of milk at posterity. For example, 7033 kg of milk with mass fraction of protein and fat 3...