Reduction of bromatological analyses in feed intake, feed conversion and apparent digestibility for feedlot heifers
Abstract
Nellore heifers, eighteen months old, average live weight 235 kg each, were used. They were fed on four different types of diets based on sorghum silage and ground corn or triticale, as energy source, and on soybean meal or yeast, as protein source. The effect of sampling methods (individual or pool) on feed intake, feed conversion and apparent digestibility of dry matter (DM), crude protein (CP), organic matter (OM), gross energy (GE), neutral detergent fiber (NDF), acid detergent fiber (ADF) and Hemicellulose (Hem.) was studied. Acid-insoluble ash was used as an internal indicator to determine apparent digestibility. No significant differences were found between the 2 sampling methods (individual or pool) on feed intake and feed conversion of DM, CP, GE, OM, NDF, ADF and Hem. With the exception of Hem, however, the sampling pool method overvalued the apparent digestibility of parameters.Downloads
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Published
2008-05-09
How to Cite
Prado, I. N. do, Zeoula, L. M., Vinocur, K., Medroni, S., & Nascimento, W. G. do. (2008). Reduction of bromatological analyses in feed intake, feed conversion and apparent digestibility for feedlot heifers. Acta Scientiarum. Animal Sciences, 23, 1069-1073. https://doi.org/10.4025/actascianimsci.v23i0.2663
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Section
Animal Science
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0.9
2019CiteScore
29th percentile
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