Farm Animal Metabolism and Nutrition

by section of the vagus nerves (i.e. CCK stimulates abdominal receptors which trans- mit information to the CNS via the vagal pa ...

fact, they eat discrete meals with relatively long inter-meal intervals unless the rate of eating is so slow, due to the scarcit ...

rate of impulses generated in afferent fibres of the autonomic nerves terminating in the liver. In ruminants, glucose normally i ...

liver indicating an increase in nutrient absorption during a meal would allow larger meals to be eaten but the subse- quently hi ...

content and food intake settle at levels at which the positive and negative effects on feeding are in balance. Kennedy’s ‘lipost ...

set of circumstances, this does not seem to be a tenable point of view. Consider, for example, sheep offered a poor-quality fora ...

animal the opportunity to fill her rumen to a greater extent before the totalof all the signals reaches a satiating level. Diet ...

select for lysine, methionine, thiamine (vitamin B1), vitamin B6, ascorbic acid (vitamin C), calcium and zinc (see Forbes, 1995) ...

They can distinguish between the two foods only by their colour and learn to associate this with their metabolic feelings after ...

from the consequences of eating a meal. If the nutrients present are in the same ratio as required, then food intake will be opt ...

Forbes, J.M. (1988) Metabolic aspects of the regulation of voluntary food intake and appetite. Nutrition Research Reviews 1, 145 ...

Chapter 16 Feed Intake in Ruminants: Kinetic Aspects W.C. Ellis^1 , D. Poppi^2 and J.H. Matis^3 (^1) Department of Animal Scienc ...

Protracted residence times, N/–
e, or, conversely, slower –
e, increase efficiency of energy capture in the ruminal mixing pool ...

in the rumen digesta. Physiologically,^2 UF–
e may be viewed as an equilibrium rate between the opposing forces of a nutrient re ...

the ruminant ecosystem. Hungate (1966) has emphasized the potential thermo- dynamic limitations of the ruminant’s dependence upo ...

response to small differences in animal attributes (requirement for MP) in combina- tion with different feed attributes (propor- ...

Feed intake versus energy balance In the individual reports of Beever et al. (1985, 1986), intake of ryegrass by cattle progress ...

with flux of net protein estimated as the chemical score of the mixture of amino acids derived from rumen escape protein of fora ...

342 W.C. Ellis et al. Fig. 16.3. Distributions of residence times of indigestible fibre (IF), in rumen digesta as modelled by on ...

Ellis et al., 1999). Therefore, ruminal residence time can be estimated from marker profiles in the faeces by fitting either mod ...