Farm Animal Metabolism and Nutrition

of fibre digestion has been emphasized by Huhtanen and Vanhatalo (1997). This addi- tional residence time due to the lag- rumina ...

rumen that invokes physical competition among feed residues for escape from the mass action turnover pool. Physical regula- tion ...

hydrolysis of cotton. The data of Moir and Harris (1962) together with those sum- marized in Fig. 16.5 indicate that levels of C ...

essentially equal for all four widely different diets summarized in Tables 16.3 and 16.4 which were in the order of 10 g feed in ...

escape rate for microbial protein was less responsive to flux rate of UF than was (^2) UF–
e (1.4 versus 2.1, Table 16.3). Diff ...

Rather than a continuous relationship between the two variables, a transition point in the order of 6 g UNDFL kg^1 BW appeared ...

350 W.C. Ellis et al. Fig. 16.7. Relationships between load of neutral detergent fibre undigested in the rumen, UF (A), mean eff ...

lactating and non-lactating ruminants were not evident. The relationships in Figs 16.7 and 16.8 were interpreted to indicate tha ...

in forages whose HFkhdiffer (Ellis et al., 1991, 1994, and Figure 18 of Ellis et al., 1999). Biological mechanisms involving buo ...

Feed Intake in Ruminants 353 Fig. 16.9. Relationships between efficiency of ruminal efflux yield of microbial protein, MCPE (rum ...

0.65 CP (including that of nucleic acids) and 0.5 of ruminally synthesized MCP is recycled in the rumen (Wells and Russell, 1996 ...

Feed Intake in Ruminants 355 Fig. 16.10. Relationships between ruminal efflux yield of microbial protein, MCPY (ruminal efflux y ...

to account for the major proportion of amino acids fermented in vivo(Krause and Russell, 1996). The relatively high levels of RH ...

infrequently adapted rumen microbial ecosystem that is capable of more efficient microbial protein synthesis. It is speculated t ...

Milne observed that prediction of MCPY as a function of abomosal OM flux differed between experiments but yielded a common regre ...

amino acids required by mammalian tis- sues is generally first limiting at the rumi- nant’s tissue level. Thus the flux of ME:MP ...

due to inefficiencies in ruminal amino acid digestion reviewed here. Also shown in Fig. 16.11 is the voluntary intake by early w ...

these two dietary entities with greater precision than could voluntary intake or digestibility. Such empirical observations are ...

Egan, A.R. (1977) Nutritional status and intake regulation in sheep. VIII. Relationships between the voluntary intake of herbage ...

Matis, J.H. (1972) Gamma time-dependency in Blaxter’s compartmental model. Biometrics28, 597–602. Moir, R.J. and Harris, L.E. (1 ...