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Продуктивность и показатели спермопродукции племенных бычков в зависимости от качества протеина в рационе
2009
Kryshton, T.G. | Pilyuk, S.N. | Lyundyshev, V.A. | Vozmitel, L.A., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus)
Feeding replacement calves of 369-460,8 kg of live weight with diets of non-degradable protein level that is 10% higher than approved norm increases metabolically energy transformation into weight gain energy from 19,10 to 20,81 MJ or at 9% that promotes increase of average daily weight gains at 5% and decrease of energy spends at 5% counted per 1 unit of energy for weight gain. Ejaculate volume is increased at 14% and sperm concentration – at 12%
Show more [+] Less [-]Оптимизация уровня обменной энергии и незаменимых аминокислот в комбикормах для ремонтных свинок
2009
Roshchin, V.A., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus)
Balancing of mixed feeds for replacement gilts considering the metabolically energy level and essential available amino acids amount increases growth speed of animals at 9,6% (P less than 0,05) compared to mixed feeds prepared in correspondence with detailed norms of feeding; it also decreases terms of animals pedigree usage from 277 to 223 days
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