ZHOU Xiao-qiu, YANG Feng, ZHOU An-guo, CAI Jing-yi, YAN Ben-ju. METHIONINE REQUIREMENT OF JUVENILE CHINESE SOFT SHELL TURTLE[J]. ACTA HYDROBIOLOGICA SINICA, 2003, 27(1): 69-73.
Citation: ZHOU Xiao-qiu, YANG Feng, ZHOU An-guo, CAI Jing-yi, YAN Ben-ju. METHIONINE REQUIREMENT OF JUVENILE CHINESE SOFT SHELL TURTLE[J]. ACTA HYDROBIOLOGICA SINICA, 2003, 27(1): 69-73.

METHIONINE REQUIREMENT OF JUVENILE CHINESE SOFT SHELL TURTLE

  • Received Date: November 13, 2001
  • Rev Recd Date: June 27, 2002
  • Published Date: January 24, 2003
  • Ninety juvenile Chinese soft shell turtles(T. Sinensis)(initially weight 17.64±0.25g) were divided into six groups, fed semipurified diets containing methionine 0.82%, 1.12%, 1.32%, 1.52%, 1.72%, 2.02%(containing cystine 0.56%) for 45 days respectively for determining the methionine requirement of Chinese soft shell turtles(T. Sinensis). There were white fish meal, liver meal, soy protein meal, glutin, fish oil, corn oil, sucrose, α-starch, amino acids premixture, vitamins premixture and mineral premixture in the experimental diet. The weight, liver weight, body fat content, body methionine content have been determined at the trial end. Results from the experiment indicated there were great significant differences in special rate(SGR), feed conversion rate(FCR), liver weight/body weight(LW/BW) and methionine retention rate(MRR)(P0.05). The methionine requirement of the juvenile soft shell turtle is 1.28%(dietary base) or 3.07%(protein base) with diet containing cystine 0.56%.
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    National Research Council. Nutrient Requirements of Fish [M]. The National Academy of Science. 1993[2] Fox J M, Lawence L C, Li C E. Dietary requirement of lysine for juvenile Penaeus vannamei using intact and free amino acid sources [J]. Aquaculture, 1995, 131:279-290[3] Liu Q, Teng M, Zhang B C, The amino acids and trace minerals analysis and study for Chinese soft shell turtle(T. Sinensis)[J], Amino Acids and Biological Natural Resources, 1995, 17:18-21. [柳琪,滕茂,张炳春. 中华鳖氨基酸和微量元素的分析和研究[J]. 氨基酸和生物资源,1995,17:18-21][4] Murkus R., Stephan J, Micheal P, et al. Response of rainbow trout(Oncorhynchus mykiss) growing from 50-150g to supplements of DL-methionine in a semipurified diet containing low or high levels of cystine [J]. J. Nutri., 1995, 125:964-968[5] Rodehutscord M, Becker A, Pack M, et al. Response of rainbow trout(Onconhynchus mykiss) to supplements of individual essential amino acids in a semipurified diet, including an estimate of the maintenance requirement for essential amino acids [J]. J. Nutr., 1997, 127:1166-1175[6] Kim K K, Kim I, Wilson R P, et al. Re-evaluation of protein and amino acids requirements of rainbow trout(Oncorhynchus mykiss) [J]. Aquaculture, 1997, 151:1-4,3-7[7] Milamena O M, Bautista-Teruel M N, Kanazawa A. Methionine requirement of juvenile tiger shrimp Penaeus monodon Fabricius [J]. Aquaculture, 1996,143:403-407

    National Research Council. Nutrient Requirements of Fish [M]. The National Academy of Science. 1993[2] Fox J M, Lawence L C, Li C E. Dietary requirement of lysine for juvenile Penaeus vannamei using intact and free amino acid sources [J]. Aquaculture, 1995, 131:279-290[3] Liu Q, Teng M, Zhang B C, The amino acids and trace minerals analysis and study for Chinese soft shell turtle(T. Sinensis)[J], Amino Acids and Biological Natural Resources, 1995, 17:18-21. [柳琪,滕茂,张炳春. 中华鳖氨基酸和微量元素的分析和研究[J]. 氨基酸和生物资源,1995,17:18-21][4] Murkus R., Stephan J, Micheal P, et al. Response of rainbow trout(Oncorhynchus mykiss) growing from 50-150g to supplements of DL-methionine in a semipurified diet containing low or high levels of cystine [J]. J. Nutri., 1995, 125:964-968[5] Rodehutscord M, Becker A, Pack M, et al. Response of rainbow trout(Onconhynchus mykiss) to supplements of individual essential amino acids in a semipurified diet, including an estimate of the maintenance requirement for essential amino acids [J]. J. Nutr., 1997, 127:1166-1175[6] Kim K K, Kim I, Wilson R P, et al. Re-evaluation of protein and amino acids requirements of rainbow trout(Oncorhynchus mykiss) [J]. Aquaculture, 1997, 151:1-4,3-7[7] Milamena O M, Bautista-Teruel M N, Kanazawa A. Methionine requirement of juvenile tiger shrimp Penaeus monodon Fabricius [J]. Aquaculture, 1996,143:403-407

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