Effect of dietary amino acid concentration on nitrogen balance in PIC hybrid pigs

A. Ilchev, G. Ganchev Abstract. A balance trial was performed with 3 groups of three PIC hybrid pigs each fed 3 dietary levels of digestible amino acids – 85 %, 100 % and 115 % of standrd. The control group was fed according to nutrition standards (100 %). The other two groups, receiv
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