Xia, C.; Rahman, M.; Yang, He; Shao, T.; Qiu, Q.; Su, H.; Cao, B.
Effect of increased dietary crude protein levels on production performance, nitrogen utilisation, blood metabolites and ruminal fermentation of Holstein bulls
Източник: ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES
Effect of increased dietary crude protein levels on production performance, nitrogen utilisation, blood metabolites and ruminal fermentation of Holstein bulls / Пълен текст
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Прима-Софт ООД, 2026