Effects of low-protein, DL-methionine and lysine-supplemented diets on growth performance of blue foxes (Alopex lagopus) during the growing-furring period

H.H. Zhang; F.H. Yang; Q.K. Jiang; Z.G. Yue; X.M. Xing; W.L. Sun; G.Y. Li

Effects of low-protein, DL-methionine and lysine-supplemented diets on growth performance of blue foxes (Alopex lagopus) during the growing-furring period

In: Proceedings of the Xth International Scientific Congress in Fur Animal Production

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H.H. Zhang

H.H. Zhang Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, P.R. China; zhh83@126.com

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F.H. Yang

F.H. Yang Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, P.R. China; zhh83@126.com

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Q.K. Jiang

Q.K. Jiang Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, P.R. China; zhh83@126.com

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Z.G. Yue

Z.G. Yue Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, P.R. China; zhh83@126.com

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X.M. Xing

X.M. Xing Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, P.R. China; zhh83@126.com

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W.L. Sun

W.L. Sun Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, P.R. China; zhh83@126.com

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G.Y. Li

G.Y. Li Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, P.R. China; zhh83@126.com

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Type:: Chapter

Pages:: 25–31

DOI:: https://doi.org/10.3920/9789086867608_004

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Dar Hadith al Hassania

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An experiment was carried out to examine the effects of low-protein diets supplemented with different levels of DL-methionine (Met) and Lysine (Lys) on growth performance of growing-furring blue foxes in order to find the optimal dietary supplementation levels of Met and Lys. For two protein levels, conventional 27% (P27) and low 19% (P19) on dry matter basis, respectively, and the low-protein diets were supplemented with Met (0.3%, 0.5%, 0.7%) and Lys (0.4%, 0.6%, 0.8%). An entirely random experimental design was adopted with two factors (3×3) and totally 10 groups (P27, L1M1, L1M2, L1M3, L2M1, L2M2, L2M3, L3M1, L3M2 and L3M3). From mid-September to pelting, based on the average daily gain, daily N retention, N retention ratio and the performance of blue foxes in different groups, 0.6% Met supplementation in low-protein diet was optimum; based on the daily N retention, N biological value and the quality of the fur, 0.3% and 0.5% Lys supplementation were optimum; based on the N apparent digestibility and daily N output, 0.3% Lys supplementation was optimum. In this experiment, the performance of blue foxes in L1M2 0.3% Lys×0.6% Met group was better than that in the other groups, which indicates that low-protein diets supplemented with DL-methionine and lysine for blue foxes can be beneficial to reduce feed expenses and nitrogen emission to the environment.

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Proceedings of the Xth International Scientific Congress in Fur Animal Production

Scientifur Volume 36 (3/4)

E-Book ISBN:: 9789086867608

Publisher:: Wageningen Academic

Print Publication Date:: 30 Oct 2012

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- Life Sciences
  - General
  - Animal & Veterinary

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Effects of low-protein, DL-methionine and lysine-supplemented diets on growth performance of blue foxes (Alopex lagopus) during the growing-furring period

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Proceedings of the Xth International Scientific Congress in Fur Animal Production

Scientifur Volume 36 (3/4)

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