Optimum ratio of standardized ileal digestible tryptophan to lysine for piglets

• Autorzy: Borgesa G. , Woyengo T. A. , Nyachoti C. M.
• Języki publikacji: EN

Abstrakty

EN

Two experiments were conducted to determine optimal standardized ileal digestible (SID) tryptophan:lysine ratio for piglets using growth performance and plasma urea N as response criteria. In Experiment 1, piglets were fed 6 diets with 8.5, 9.5, 10.5, 11.5, 12.5 or 13.5 g · kg–1 SID lysine to estimate lysine requirement. In Experiment 2, piglets were fed 6 diets with 9.2 g · kg–1 SID lysine, and 0.178, 0.182, 0.196, 0.216, 0.227 or 0.236 SID trytophan:lysine to estimate optimal tryptophan:lysine ratio. The SID lysine requirement was estimated to be 10.2 g · kg–1. Response criteria measured were unaffected by SID tryptophan:lysine ratio, implying that the diets fed were not deficient in tryptophan. In conclusion, the SID lysine requirement for the piglets was close to the recommendation by NRC (1998; 10.1 g · kg–1), but not NRC (2012; 12.3 g · kg–1). The optimal SID tryptophan:lysine ratio of the piglets was either equal to or less than 0.178.

Słowa kluczowe

EN

digestibility; tryptophan; lysine; piglet; pig; animal nutrition; animal diet

• Wydawca: -
• Czasopismo: Journal of Animal and Feed Sciences
• Rocznik: 2013
• Tom: 22
• Numer: 4
• Opis fizyczny: p.323-328,fig.,ref.

Twórcy

autor

Borgesa G.

• Department of Animal Science, University of Manitoba, Winnipeg, Manitoba, Canada, R3T 2N2

autor

Woyengo T. A.

• Department of Animal Science, University of Manitoba, Winnipeg, Manitoba, Canada, R3T 2N2

autor

Nyachoti C. M.

• Department of Animal Science, University of Manitoba, Winnipeg, Manitoba, Canada, R3T 2N2

Bibliografia

• AOAC, 2006. Association of Official Analytical Chemists, Official Methods of Analysis. 18th Edition. Washington, DC
• Boisen S., Hvelplund T., Weisbjerg M.R., 2000. Ideal amino acid profiles as a basis for feed protein evaluation. Livest. Prod. Sci. 64, 239–251
• Burgoon K.G., Knabe D.A., Gregg E.J., 1992. Digestible tryptophan requirements of starting, growing, and finishing pigs. J. Anim. Sci. 70, 2493–2500
• Canadian Council on Animal Care (CCAC), 2009. Guidelines on: the Care and Use of Farm Animals in Research, Teaching and Testing. Canadian Council on Animal Care. Ottawa, ON (Canada)
• Coma J., Carrion D., Zimmerman D.R., 1995. Use of plasma urea nitrogen as a rapid response criterion to determine the lysine requirements of pigs. J. Anim. Sci. 73, 472–481
• Commission Directive, 1998. Establishing Community Methods for the Determination of Amino-Acids, Crude Oils and Fats, and Olanquindox in Feeding Stuff and Amending Directive 71/393/EEC, Annex Part A: Determination of Amino Acids. Off. J. Eur. Comm. L257: 14–23
• Commission Directive, 2000. Establishing Community Methods for the Determination of Vitamin A, Vitamin E and Trp, Annex Part C: Determination of Tryptophan. Off. J. Eur. Comm. L174: 45–50
• Cromwell G.L., Calvert C.C., Cline T.R. et al., 1999. Variability among sources and laboratories in nutrient analyses of corn and soybean meal. J. Anim. Sci. 77, 3262–3273
• Dean D.W., Southern L.L., Kerr B.J., Bidner T.D., 2007. The lysine and total sulfur amino acid requirements of six- to twelve-kilogram pigs. Prof. Anim. Sci. 23, 527–535
• Eder K., Peganova S., Kluge H., 2001. Studies on the tryptophan requirement of piglets. Arch. Anim. Nutr. 55, 281–297
• Fontaine J., Hörr J., Schirmer B.J., 2002. Near-infrared reflectance spectroscopy (NIRS) enables the fast and accurate prediction of essential amino acid contents. 2. Results for wheat, barley, corn, triticale, wheat bran/middlings, rice bran, and sorghum. J. Agric. Food Chem. 50, 3902–3011
• Fontaine J., Hörr J., Schirmer B.J., 2004. Amino acid contents in raw materials can be precisely analyzed in a global network of near-infrared spectrometers: Collaborative trials prove the positive effects of instrument standardization and repeatability files. J. Agr. Food Chem. 52, 701–708
• Guzik A.C., Pettitt M.J., Beltranena E., Southern L.L., Kerr J., 2005. Threonine and tryptophan ratios fed to nursery pigs. J. Anim. Physiol. Anim. Nutr. 89, 297–302
• Guzik A.C., Southern L.L., Bidner T.D., Kerr B.J., 2002. The tryptophan requirement of nursery pigs. J. Anim. Sci. 80, 2646–2655
• Jansman A.J.M., van Diepen J.Th.M., Melchior D., 2010. The effect of diet composition on tryptophan requirement of young piglets. J. Anim. Sci. 88, 1017–1027
• Kendall D.C., Gaines A.M., Allee G.L., Usry J.L., 2008. Commercial validation of the true ileal digestible lysine requirement for eleven- to twenty-seven-kilogram pigs. J. Anim. Sci. 86, 324–332
• Nam D.S., Aherne F.X., 1994. The effects of lysine:energy ratio on the performance of weanling pigs. J. Anim. Sci. 72, 1247–1256
• NRC, 1998. Nutrient Requirements of Swine. 10th Edition. National Research Council, National Academic Press. Washington, DC
• NRC, 2012. Nutrient Requirements of Swine. 11th Edition. National Research Council, National Academic Press. Washington, DC
• Rademacher M., Sauer W.C., Jansman A.J.M., 2000. Standardized ileal digestibility of amino acids in pigs. The New System. Degussa-Hüls (Germany)
• Robbins K.R., Saxton A.M., Southern L.L., 2006. Estimation of nutrient requirements using broken-line regression analysis. J. Anim. Sci. 84, E. Suppl. 13, E155–E165
• Sato H., Seino T., Kobayashi T., Murai A., Yugari Y., 1984. Determination of the tryptophan content of feed and feedstuffs by ion–exchange liquid chromatography. Agr. Biol. Chem. 48, 2961–2969
• Smith J.W., Tokach M.D., Nelssen J.L., Goodband R.D., 1999. Effects of lysine:calorie ratio on growth performance of 10- to 25-kilogram pigs. J. Anim. Sci. 77, 3000–3006
• Susenbeth A., Lucanus U., 2005. The effect of tryptophan supplementation of diets of restricted- and unrestricted-fed young pigs. J. Anim. Physiol. Anim. Nutr. 89, 331–336
• Van Cauwenberghe S., Relandeau C., 2000. L-tryptophan supplementation to enhance piglet growth. Ajinomoto Eurolysine Information No. 23, pp. 1–11
• Wu J.G., Shi C., Zhang X., 2002. Estimating the amino acid composition in milled rice by near-infrared reflectance spectroscopy. Field Crop. Res. 75, 1–7
• Yi G.F., Gaines A.M., Ratliff B.W., Srichana P., Allee G.L., Perryman K.R., Knight C.D., 2006. Estimation of the true ileal digestible lysine and sulfur amino acid requirement and comparison of the bioefficacy of 2-hydroxy-4-(methylthio)butanoic acid and DL-methionine in eleven- to twenty-six-kilogram nursery pigs J. Anim. Sci. 84, 1709–1721