VITAMIN C AND ZINC EFFECT ON SOME PRODUCTIVITY AND BLOOD
INDICES IN LAYING HENS DURING A COLD PERIOD
Nadya Bozakova*
Key words: Cold stress, Vitamin C and Zn- supplementation,
Egg production, Live body weight.
Key words: Cold stress, Vitamin C and Zn- supplementation,
Egg production, Live body weight.
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Journal of Hygienic Engineering and Design
Nadya Bozakova (2020).
Vitamin C and zinc effect on some productivity and blood indices in laying hens during a cold period.
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