Ovo em pó na alimentação de leitões recém-desmamados Spray-dried egg for wealing pigs
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Abstract
Two experiments were carried out to determine the chemical composition, nutrients digestibility and digestible energy and protein of spray-dried egg (OP) and to study the performance and plasma and blood components of weanling pigs fed diets containing OP. In the Experiment I, eight pigs were used for digestibility assay. The animals were assigned to two treatments and four replications/treatment. The treatments consisted of a basal diet and test diet (70% of basal diet + 30% of OP). The method was the partial faeces collection (0.5% Cr2O3). The apparent digestibility coefficients of dry matter, gross energy, crude protein and crude fat were, respectively, 80.81, 87.14, 82.00, and 70.55%. From the results of apparent digestibility coeficients and the values of crude protein (56.53%) and gross energy (5,897 kcal/kg), values of 43.90% of digestible protein and 5,140 kcal/kg of digestible energy for OP were calculated. In the Experiment II, ninety pigs were weaned at 24 days of age with 5.6 kg live weight. The treatments consisted of five dietary levels of 0, 25, 50, 75 and 100%, as a replacement of plasma (PS) protein for OP protein. Pigs were alloted to a randomized block design with nine replications per treatment. No treatment effects were observed on performance for 1-14 day post-weaning phase. For the 15-28 d phase and for the total period, linear reductions of GDP and CDR were observed, as the dietary OP levels increased. No treatment effects were observed on plasma and blood components by the inclusion of spray-dried egg. It was not recommended to replace the PS by OP in nursery diets.
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figueiredo2003ovorevista
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| Journal | revista brasileira de zootecnia |
| Year | 2003 |
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