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Digestive utilization during postweaning period in churra lambs: effect of previous level of milk intake and protein content in the diet

Published online by Cambridge University Press:  20 November 2017

T. Manso
Affiliation:
Dpto. Productión Animal. , 28040 Madrid (Spain)
A.R. Mantecón
Affiliation:
Estacion AgrÃcola Experimental (CSIC). , Apdo 788 León (Spain)
T. Castro
Affiliation:
Dpto. Productión Animal. , 28040 Madrid (Spain)
M.A. Chaso
Affiliation:
Dpto. Zootécnia., 10071 Cáceres (Spain)
F.J. Giráldez
Affiliation:
Estacion AgrÃcola Experimental (CSIC). , Apdo 788 León (Spain)
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Extract

Some recents studies (Manso et al., 1993; Iason and Mantecon, 1992) have indicate changes in dimensions of digestive tract in response to pattern of nutrient supply during lamb growth. The extent of this changes could be influenced with the age or stage of maturity at wich the different feeding strategies are applied (O 'Donovan, 1984; Ryan, 1990) and could affect the digestive diet utilization during lamb growth. Knowledge of variation of digestive diet utilization can help in developing strategies to optimize the use of feedstuff by animals.

The objetive of this work was to study the effect of level of intake during milk fed period and undegradable protein content in the diet during post-weaning period on the apparent digestibility of postweaning diet in Churra lambs two weeks after weaning and at 20 Kg live weight (LW).

Type
Sheep Nutrition
Copyright
Copyright © The British Society of Animal Science 1995

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References

Iason, G.R. and Mantecon, A.R. (1993). The effects of dietary protein level during food restriction on carcass and non-carcass components, digestibility and subsequent compensatory growth in lambs. Animal Production, 56, 93100.Google Scholar
Manso, T.; Mantecon, A.R.; Chaso, M.A.; Lavin, P. and Castro, T. (1993). The effect of pattern of nutrient supply during lamb growth on the digestive tract proportion. Proceedings of the Nutrition Society, 52, 188A.Google Scholar
O'Donovan, P.B. (1984).Compensatory gain in cattle and sheep. Nutrition Abstract and Reviews Series B, 60: 638–410.Google Scholar
Ryan, W.J. (1990). Compensatory growth in catle and sheep. Nutrition Abstract and Review Series B, 60: 653664.Google Scholar