Physiological changes affecting voluntary food intake in ruminants
نویسندگان
چکیده
منابع مشابه
Physiological changes affecting voluntary food intake in ruminants.
Manners, M. J. & McCrea, M. R. (1963). Br.J. Nutr. 17, 495. Mayer, J. (1953). New Engl. J. Med. 249, 13. Snyderman, S. E. & Holt, L. E. Jr. (1961). 4: Pediat. 58, 237. Widdowson, E. M. (1947). Spec. Rep. Ser. med. Res. Coun. no. 257. London: H.M. Stationery Office. Widdowson, E. M. (1950). Nature, Lond. 166, 626. Widdowson, E. M. & McCance, R. A. (1960). Proc. R. SOC. 8. 152, 188. Widdowson, E....
متن کاملVoluntary food intake and reproduction
The underlying assumption I will make is that voluntary food intake is normally controlled so as to meet the requirements of the animal, especially for energy. This control is achieved by positive and negative feedbacks involving many pathways, in particular visceral receptors in communication with the central nervous system. Reproductive processes do not, on the whole, interfere seriously with...
متن کاملVoluntary food intake and reproduction.
The underlying assumption I will make is that voluntary food intake is normally controlled so as to meet the requirements of the animal, especially for energy. This control is achieved by positive and negative feedbacks involving many pathways, in particular visceral receptors in communication with the central nervous system. Reproductive processes do not, on the whole, interfere seriously with...
متن کاملEfficiency of energy utilisation and voluntary feed intake in ruminants.
Energy requirements of animals are most readily expressed in terms of net energy (NE), while the energy yield of feed is, at least initially, expressed in terms of metabolisable energy (ME). Energy evaluation systems 'translate' NE requirements into ME requirements (ME systems) or assign NE values to feeds (NE systems). Efficiency of ME utilisation is higher for maintenance than for production ...
متن کاملPhysical constraints on voluntary intake of forages by ruminants.
Voluntary dry matter intake (VDMI) of forages by ruminants may be limited by distention resulting from restricted flow of digesta through the gastrointestinal tract. An animal's capacity for fill depends on the weight and volume of digesta that causes distention and the flow rate of digesta from the organ in which distention occurs. The reticulorumen is generally regarded as the site in the gas...
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ژورنال
عنوان ژورنال: Proceedings of the Nutrition Society
سال: 1971
ISSN: 0029-6651,1475-2719
DOI: 10.1079/pns19710024