00688naa#a2200169#i#4500001001500000005001700015100004100032102000700073200014500080210005700225215001000282608003700292675012200329700002300451700002000474856002400494EN\\bibl\1111320250430092532.3##a20231220b2023####ek#y0engy0150####ca##aRU1#aANALYSIS OF ECONOMICALLY USEFUL CHARACTERISTICS OF FIRST-BROWN HEIFERS DEPENDING ON THE AGE OF FIRST INSEMINATIONeConference article/thesis1#aKazancTRIA FRC Kazan Scientific Center of RASd2023##a2 с.##aConference article/thesis2local##aСельское хозяйство. Лесное хозяйство. Охота. Рыбное хозяйство. 63#1aVasil'evagMariya #1aGrachevgVadim 4#atatniva.editorum.ru