References
- AOAC . 1990 . Official Methods of Analysis, , 15th ed. , Vol.1 , Arlington, VA : Association of official analytical chemists .
- Bhattacharya , A. N. and Hussain , F. 1974 . Intake and utilization of nutrients in sheep fed different levels of forage under heat stress . J. Anim. Sci. , 38 : 877 – 886 .
- Bolukbasi , M. F. 1989 . Physiology Text Book. I. Body Temperature and Digestion , 351 Ankara University Veterinary Medicine Publications . No:413
- Bunting , L. D. , Fernandez , J. M. , Fornea , R. J. , White , T. W. , Froetschel , M. A. , Stone , J. D. and Ingawa , K. 1996 . Seasonal effects of supplemental fat or undegradable protein on the growth and metabolism of Holstein calves . J. Anim. Sci. , 79 : 1611 – 1620 .
- Chandrasekharaiah , M. , Reddy , M. R. and Reddy , G. V.N. 1996 . Effect of feeding urea treated maize stover on growth and nutrient utilization by sheep and goats . Small. Rum. Res. , 22 : 141 – 147 .
- Christopherson , R. J. 1976 . Effects of prolonged cold and the outdoor winter environment on apparent digestibility in sheep and cattle . Can. J. Anim. Sci. , 56 : 201 – 212 .
- Denek , N. , Can , A. , Tufenk , S. , Yazgan , K. , Ipek , H. and Iriadam , M. 2006 . The effect of heat load on nutrient utilization and blood parameters of Awassi ram lambs fed different types and levels of forages . Small. Rum. Res. , 63 : 156 – 161 .
- Goering , M. K. and Van Soest , P. J. 1970 . “ Forage fibre analysis ” . In Agricultural Handbook , Agric. Res., U.S. Dep. Agric. . No. 379
- Goetsch , A. L. and Johnson , Z. B. 1999 . Feed intake and digestion in the summer and fall by different breeds of ewes consuming forages differing in quality . Small. Rum. Res. , 31 : 109 – 116 .
- Kennedy , P. M. , Christopherson , R. J. and Milligan , L. P. 1986 . “ Digestive responses to cold ” . In Control of Digestion and Metabolism in Ruminants , Edited by: Milligan , L. P. , Grovum , W. L. and Dobson , A. 285 – 306 . Englewood Cliffs : Prentice-Hall .
- NRC . 1981 . Effect of Environment on Nutrient Requirements of Domestic Animals , Washington, D.C. : National Academy Press .
- SAS . 1989 . SAS user's guide: Statistics, , 5 th Ed. , Cary, NC : Inc. .
- Sebek , L. B.J. and Everts , H. 2002 . Rumen digesta kinetics in cold exposed prolific sheep: impact on protein evaluation . Anim. Feed. Sci. Technol. , 101 : 17 – 29 .
- Srikandakumar , A. , Johnson , E. H. and Mahgoub , O. 2003 . Effect of heat stress on respiratory rate, rectal temperature and blood chemistry in Omani and Australian Merino sheep . Small Rum. Res. , 49 : 193 – 198 .
- West , J. W. Balancing diets for dairy cattle during heat stress conditions . Florida Ruminant Nutrition Symposium Proceedings . Gainesville : University of Florida . January 16–17