Net energy levels for finishing barrows

作者：Piano Goncalves Liliane Maria; Kiefer Charles^*; Ribeiro de Souza Karina Marcia; Marcal Danilo Alves; de Abreu Rodrigo Caetano; Portilho Saturnino da Silva Ariadne Maria; da Silva Alencar Stephan Alexander

来源：Ciencia Rural, 2015, 45(3): 464-469.

DOI：10.1590/0103-8478cr20131573

• carcass
• energy content
• performance
• nutrition

This study was carried out to evaluated levels of net energy in the diet of finishing barrows. Were used 100 swines with an initial body weight of 73.60 +/- 4.80kg, distributed in a randomized block design, with five levels of net energy (2,300; 2,425; 2,550; 2,675 and 2,800kcal kg(-1) of diet), ten replicates and two animals per experimental unit. The net energy levels were obtained by replacement of soybean oil to replace kaolin. There was a reduction in feed intake, of lysine and crude protein intake and improves feed conversion with increasing levels of net energy diets. The best level of net energy for finishing barrows is 2,800kcal kg(-1) of diet as it foment reduction in feed intake and improves feed conversion without changing the weight gain and carcass characteristics.

• 出版日期2015-3