Nitrogen retention response to the abomasal infusion of amino acids in South African Mutton Merino lambs

South African Journal of Animal Science

Volumn 32, Issue 2, 2002, Pages 106-112

  Ferreira, A V ^a   Van der Merwe, H J ^a   Fair, M D ^a  

^a STELLENBOSCH UNIVERSITY   (South Africa)

Author keywords

Essential amino acid; Nitrogen retention; Sheep

Indexed keywords

LAMB; MEDICAGO SATIVA; OVIS ARIES; TRITICUM AESTIVUM; ZEA MAYS;

EID: 0036395901     PISSN: 03751589     EISSN: None     Source Type: Journal    
DOI: 10.4314/sajas.v32i2.3752     Document Type: Article

References (27)

1. AOAC, 1984. Official methods of analysis (14th ed.). Association of Official Analytical Chemists, Arlington, Virginia, USA.
2. Cecava, M.J., Merchen, N.R., Berger, L.L. & Fahey, G.C., 1990. Intestinal supply of amino acids in sheep fed alkaline hydrogen peroxide treated wheat straw-based diets supplemented with soybean meal or combinations of corn gluten meal and blood meal. J. Anim. Sci. 68, 467-477.
3. Chalupa, W., 1975. Rumen bypass and protection of proteins and amino acids. J. Dairy Sci. 58, 1198-1218.
4. Chen, X.B. & Ørskov, E.R., 1994. Amino acid nutrition in sheep. Ch. 13 In: Amino acids in farm animal nutrition. Ed. D'Mello, J.P.F. Guildford, UK.
5. Coetzee, J., 1988. Chemiese metodes om die benutting van laegraadse ruvoer en sintetiese aminosure deur wolskape te verbeter. PhD-Agric. tesis, Universiteit Stellenbosch.
6. Erasmus, L.J., 1992. Nuwe konsepte in die proteïenvoeding van herkouers 3. Toepassing van die RDP:UDP sisteem vir melkkoeie. Afma Matrix, 1, 14-17.
7. Fawcett, J.K. & Scott, J.E., 1960. A rapid and precise method for the determination of urea. J. Clin. Path. 13, 156.
8. Ferreira, A.V., Van der Merwe, H.J. & Loëst, C.A., 1999. Amino acid requirements of South African Mutton Merino lambs. 3). Duodenal and whole empty body essential amino acid profile. S. Afr. J. Anim. Sci. 29, 40-47.
9. Grey, J.H., 1969. Evaluasie van proteïen. Hand. S. Afr. Ver. Diereprod. 8, 35-39.
10. Hovel, F.D.DeB., Ørskov, E.R., Kyle, D.J. & MacLeod, N.A., 1987. Undernutrition in sheep - nitrogen repletion by N-depleted sheep. Br. J. Nutr. 57, 77-88.
11. Loerch, S.C. & Oke, B., 1984. Effect of supplemental rumen protected lysine and methionine on steer and lamb performance and N-balance. J. Anim. Sci. 59, 404 (abst. 630).
12. Loëst, C.A., Ferreira, A.V., Van der Merwe, H.J. & Fair, M.D., 1997. Chemical and essential amino acid composition of South African Mutton Merino lamb carcasses. S. Afr. J. Anim. Sci. 27, 7-12.
13. Loëst, C.A., Ferreira, A.V., Van der Merwe, H.J. & Fair, M.D., 1999. Amino acid requirements of South African Mutton Merino lambs. 1). Duodenal and carcass essential amino acid profile. S. Afr. J. Anim. Sci. 29, 15-26.
14. Loosli, J.K. & Harris, L.E., 1945. Methionine increases the value of urea for lambs. J. Anim. Sci. 4, 435-437.
15. Merchen, N.R. & Titgemeyer, E.C., 1992. Manipulation of amino acid supply to the growing ruminant. J. Anim. Sci. 70, 3238-3247.
16. Mesbah, M.M. & Asplund, J.M., 1984. The influence of level of valine on nitrogen status and plasma free amino acid levels in infused sheep. J. Nutr. 114, 1363-1369.
17. Nimrick, K., Hatfield, E.D., Kaminski, J. & Owens, F.N., 1970. Qualitative assessment of supplemental amino acid needs for growing lambs fed urea as the sole nitrogen source. J. Nutr. 100, 1293-1300.
18. NRC, 1985. Nutrient Requirements of Sheep. (6th ed.). National Academy Press, Washington, D.C.
19. Owens, F.N. & Bergen, W.G. D.C., 1983. Nitrogen metabolism of ruminant animals: Historical perspective: current understanding and future implications. J. Anim. Sci. 57, 498-518.
20. SAS, 1988. SAS Procedures Guide, Release 6.03 ed. SAS Institute Inc., Cary, N.C.
21. SAS, 1991. SAS Systems for Regression, Second ed. SAS Institute Inc., Cary, N.C.
22. Schelling, G.T. & Hatfield, E.E., 1968. Effect of abomasally infused nitrogen sources on nitrogen retention of growing lambs. J. Nutr. 96, 319-326.
23. Schelling, G.T., Chandler, J.E. & Scott, G.C., 1973. Postruminal supplemental methionine infusion to sheep fed high quality diets. J. Anim. Sci. 37, 1034-1039.
24. Storm, E. & Ørskov, E.R., 1984. The nutritive value of rumen micro-organisms in ruminants. 4. The limiting amino acids of microbial protein in growing sheep determined by a new approach. Br. J. Nutr. 52, 613-620.
25. Tao, R.C., Asplund, J.M. & Kappel, L.C., 1974. Response of nitrogen metabolism, plasma amino acids and insulin levels to various levels of methionine infusion in sheep. J. Nutr. 104, 1646-1656.
26. Titgemeyer, E.C. & Merchen, N.R., 1990. The effect of abomasal methionine supplementation on nitrogen retention of growing steers postruminally infused with casein or nonsulfur - containing amino acids. J. Anim. Sci. 68, 2075-2083.
27. Young, A.W., Schelling, G.T., Tucker, R.F. & Mitchell, G.E., 1981. Plasma amino acid response to abomasal infusions of amino acids in sheep. J. Anim. Sci. 52, 1421-1429.