References
- Balch , C. C. and Campling , R. C. 1962 . Regulation of voluntary intake in ruminants . Nutr. Abs. and Rev. , 32 : 669 – 686 .
- Carr , S. B. and Jacobson , D. R. 1967 . Intraruminal addition of mass or removal of rumen contents on voluntary intake in bovines . J. Dairy Sci. , 50 : 1814 – 1818 .
- Campling , R. C. and Balch , C. C. 1961 . Factor affecting voluntary food intake by cows. I. Preliminary observations on the effect on voluntary intake of hay and changes in the amount of the reticulo-ruminal contents . Br. J. Nutr. , 16 : 523 – 530 .
- Campling , R. C. , Freer , M. and Balch , C. C. 1961 . Factors affecting voluntary food intake by cows. 2. The relationship between the voluntary intake of roughages, the amount of digesta in the reticulo-rumen and rate of disappearance of digesta from the alimentary tract . Br. J. Nutr. , 15 : 531 – 540 .
- Campling , R. C. and Freer , M. 1966 . Factors affecting volunatry intake of the food by cows. 8. Experiment with ground, pelleted roughages . Br. J. Nutr. , 20 : 229 – 244 .
- Egan , A. R. 1965 . Nutritional status and intake regulation in sheep. II. The influence of sustained duodenal infusion of casein or urea upon voluntary intake of low protein roughages by sheep . Aust. J. Agric. Res. , 16 : 451 – 462 .
- Egan , A. R. 1972 . Nutritional status and intake regulation in sheep. Vii. Control of voluntary intake of three diets and the response to intraruminal feeding . Aust. J. Agric. Res. , 23 : 347 – 361 .
- Forbes , J. M. 1986 . The voluntary food intake of farm animals , 206 London : Butterworths .
- Genstat 5 . 1990 . Lawes Agricultural Trust Statistical Package. (Rothamstead Experimental Station) Hertfordshire , , U.K.
- Hahn , L. G. 1981 . Housing and management to reduce climatic impacts on livestock . J.Anim. Sci. , 52 : 175 – 185 .
- Hoveli , F. D.D. , Ngambi , J. W.W. , Barber , W. P. and Kyle , D. J. 1986 . The voluntary intake of hay by sheep in relation to its degradability in the rumen as measured by in nylon bags . J. Anim. Prod. , 42 : 111 – 118 .
- Mcdonald , R. , Edward , R. A. and Greenhalgh , J. F.D. 1990 . “ Voluntary intake of food ” . In Animal Nutrition, , 4th edn , 375 – 387 . Oxford : Longman Scientific and Technical Books .
- Ørskov , E. R. , Hovell , F. D.D. and Mould , F. 1980 . The use of nylon bag technique for the evaluation of feed stuffs . Trop. Anim. Prod. , 5 : 195 – 213 .
- Weston , R. H. 1966 . Factors limiting the intake of sheep. 1. The significance of palatability, the capacity of the alimentary tract to handle digesta and the supply of glucogenic substrate . Aust. J. Agric. Res. , 17 : 939 – 954 .