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Energy Requirement for Growing Mink Fed on Diets of Different Energy Levels

Energy Requirement for Growing Mink Fed on Diets of Different Energy Levels

Ying Yang 1,2,3, Tietao Zhang 1,2,3, Min Rong 1,2,3, JiaPing Xu 1,2,3 and Xiumei Xing 1,2,3*

1Institution of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, No. 4899, Juye Street, Jingyue Economic Development Zone, Changchun, Jilin, China
2State Key Laboratory of Special Economic Animal Molecular Biology, Changchun, Jilin, China
3Key Laboratory of Special Economic Animal Genetic Breeding and Reproduction, Ministry of Agriculture, Changchun, Jilin, China

*      Corresponding author: xingxiumei2004@126.com

Fig. 1.

Effect of the energy levels on the body weights (A) and the growth rates (B) of mink. (Energy level as the level of metabolic energy in feed dry matter, growth rate as [(logW2-logW1)/(t2-t1) x2.303x100,where W2 and W1 are the individual weights, in kg, at the beginning and end, respectively, of a period, and t2-t1 is the duration of the period in weeks]).

Fig. 2.

Body weight of mink relative to the total energy of daily voluntary feed intake. Each point represents mean of groups.

Fig. 3.

Voluntary daily feed intake (g/ kg0.75/ day) of mink relative to the energy level; Each point represents mean of groups.

Fig. 4.

N input/output relationships for mink; values are represented as the mean of groups.

Pakistan Journal of Zoology

October

Vol. 53, Iss. 5, Pages 1603-2000

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