SEASONAL-VARIATIONS IN TOTAL NITROGEN, NON-PROTEIN NITROGEN AND UREA NITROGEN CONTENTS OF FRIESIAN AND JERSEY MILK

被引:21
作者
MCDOWELL, AK
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D O I
10.1017/S0022029900013819
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
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