Utilizaçao de dejetos de suínos in natura na alimentaçao de bovinos

The objective of this experiment was to study the effect of the inclusion of four levels pig waste in natura (0, 13, 20 and 36 percent)in replacement of a concentrate with 23 percent of crude protein, on intake of dry matter, organic matter, total carbohydrates, neutral detergent fiber, crude protein and ether extract, as well as body weight variation. The pig wastes was collected daily from the pig cages and fed in natura. The elephant grass was the forage used. Orts of 5 to 10 percent of dry matter fed were allowed Feed refusals were infrequent, which could indicate a satisfactory diets acceptability. There was no difference in the intakes of dry matter, crude protein, neutral detergent fiber, phosphorus and potassium. However, it was verified a difference among treatments in relation to the intakes of organic matter and total carbohydrates, which were bigger in the treatment 4 (without waste) than treatment 1 (with 36 percent of waste). Therefore, the calcium and magnesium intakes were smaller in the treatment 4 than in the treatment 1. It was concluded that the pig waste can be used in the cattle feeding.