Effect of strategic supplementary feeding on ewe productivity under range conditions in North Kordofan, Sudan

Small Ruminant Research

Volumn 30, Issue 1, 1998, Pages 67-71

  El Hag, F M ^a   Fadlalla, B ^a   Elmadih, M A ^a  

^a AGRICULTURAL RESEARCH CORPORATION   (Sudan)

Author keywords

Flushing; Reproductive performance; Steaming up

Indexed keywords

EID: 0005033240     PISSN: 09214488     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0921-4488(98)00080-7     Document Type: Article

References (12)

1. Diskin, M.G., Niswender, G.D., 1989. Effect of progesterone supplementation on pregnancy and embryo survival in ewes. J. Anim. Sci. 67, 1559-1563.
2. El-Hag, F.M., 1992. Effects of chopping and wilting on tropical grassland silage quality in South Kordofan. Sudan. African Livest. Res. 1, 11-14.
3. Horowitz, W. (Ed.), 1980. Official methods of analysis of the Association of Official Analytical Chemists, 13th ed., Association of Official Analytical Chemists, Washington DC, U.S.A., pp. 1018.
4. Mukhtar, H.K., 1985. Constraints to Desert sheep production in the sedentary and nomadic systems of north Kordofan. Ann. Res. Rpt., Agricultural Research Corporation (ARC), El-Obeid Research Station, El-Obeid, Sudan (unpublished data).
5. Mukhtar, H.K., Fadlalla, B., 1988. Effect of production directed supplementary feeding on Desert sheep lambing. Ann. Res. Rpt., Agricultural Research Corporation (ARC), El-Obeid Research Station, El-Obeid, Sudan (unpublished data).
6. Schoenian, S.G., Burfening, P.J., 1990. Ovulation rate, lambing rate, litter size and embryo survival of Rambouillet sheep selected for high and low reproductive rate. J. Anim. Sci. 68, 2263-2270.
7. Reese, A.A., Handayani, S.W., Ginting, S.P., Sinulingga, W., Reese, G.R., Johnson, W.L., 1990. Effect of energy supplementation on lamb production from Javanese thin-tail ewes. J. Anim. Sci. 68, 1827-1840.
8. Snedecor G.W., Cochran, W.G., 1982. Statistical Methods, 7th. ed., The Iowa State University Press, Ames, Iowa, USA.
9. Tatman, W.R., Judkins, M.B., Dunn, T.G., Moss, T.G., 1990. Luteinizing hormone in nutrient-restricted ovariectomized ewes. J. Anim. Sci. 68, 1097-1102.
10. Technoserve, 1987. Credit component baseline survey. Technoserve Inc., Agricultural Bank of Sudan, US Agency for Agricultural Development, El-Obeid, Sudan, pp. 204.
11. Tilley, J.M.A., Terry, R.A., 1963. A two stage technique for in vitro digestion of forage crops. J. of the British Grassland Soc. 8, 104-111.
12. Yoder, R.A., Hudgens, R.E., Perry, T.W., Johnson, K.D., Diekman, M.A., 1990. Growth and reproductive performance of ewe lambs fed corn or soybean meal while grazing pasture. J. Anim. Sci. 68, 21-27.