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- Title
Effect of whole or ground moisture heat damaged cotton seed on apparent digestibility in Pelibuey sheep.
- Authors
Estrada-Angulo, A.; Uribe, M.; Obregon, J. F.; Vazquez, E.; Robles, J. C.
- Abstract
The objective of this study was to determine the effect of substituting whole cottonseed (WCS) or ground cottonseed (GCS) with moisture heat damaged cottonseed (DCS) or ground moisture heat damaged cotton seed (GDCS) on apparent digestibility in sheep. The experiment was conducted with four male Pelibuey sheep (24 kg) in a latin square 4 x 4 design. The diets were: 1) Control diet with 20% of WCS, 10% corn stover, 48.5% ground sorghum grain, 5% soybean meal, 10% molasses cane, 3% meat meal, 1% animal fat, and 2.5% mineral premix and vitamins; 2) Diet similar to diet 1, but with 20% of GCS substituting at WCS; 3) Diet similar to diet 1, but with 20% of DCS substituting at WCS; 4) Diet similar to diet 1, but with 20% of GDCS substituting at WCS. The calculated analyses of diets were 15.54% of CP and 3.57 Mcal/kg of DE. The DM, OM and CF excreted in feces was not affected (P= 0.42) by diet. The excretion of CP in feces was higher (P= 0.08) for GDCS (63.16 g/d) compared to other diets; the apparent digestibilities of DM (55.3, 56.1, 56.5, and 57.9% for WCS, GCS, DCS and GDCS respectively), OM (56.8, 57.4, 57.6, and 58.8% respectively) and CF (47.4, 47.2, 47.6, and 50.8% respectively) were similar (P> 0.10) among diets. The apparent digestibility of CP was higher (P= 0.03) for WCS and DCS with 60.12 and 60.46% respectively. The energy digestibility was similar (P= 0.44) among treatments. It is concluded that the DCS can be substituted with whole CS but the grinding of DCS negatively affected the apparent digestibility of CP in the digestive tract of Pelibuey sheep.
- Subjects
COTTONSEED; SOYBEAN meal; SHEEP; MAGIC squares; SORGHUM; CORN stover; ALIMENTARY canal
- Publication
Journal of Animal Science, 2006, Vol 84, p377
- ISSN
0021-8812
- Publication type
Article