HIGHLIGHTS
- who: Zhihua Feng and Guoxian Zhao from the College of Animal Science and, Agricultural University, Baoding, China, College of Food Science and have published the research: Effects of Zinc Methionine Hydroxy Analog Chelate on Laying Performance, Serum Hormone Levels, and Expression of Reproductive Axis Related Genes in Aged Broiler Breeders, in the Journal: Nutrientsb Crude protein (%)
- what: The authors found that diets supplemented with 50 and 75 mg/kg Zn-MHA significantly improved FCR compared to the ZnSO4 group.
- how: The values are analyzed values. of reproductive axis related genes of aged broiler . . .
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