Abstract
1. Effect of the dietary net energy concentration on feed intake and performance of growing-finishing pigs housed individually1 N. Quiniou, J. Noblet Journal of Animal Science CrossRef
Highlights
The potential of the domestic pig population for protein deposition has not been sufficiently recognized, the more so as pure breeds and numerous crosses are used for fattening
The objective of the study was to determine the effect of an increase of protein content in feed mixture with lower energy level, and an increase of both protein and energy concentration on the fattening performance and carcass value, digestibility of nutrients, and nitrogen balance in three different pig cross breeds
There were, differences (P
Summary
The potential of the domestic pig population for protein deposition has not been sufficiently recognized, the more so as pure breeds and numerous crosses are used for fattening. Difficult to define pigs requirement for energy and nutrients since they should be based on expected growth rate and protein and fat deposition. According to Close (1993), genetically improved pigs that gain even 1200 g, are capable of depositing about 200 g of protein daily and their energy requirement for maintenance is 10% higher than given in the ARC Standards (1981). In that author's opinion this is related to the greater rate of protein deposition in the body and its faster metabolism. The protein of rate deposition depends on the dietary concentration of this component (Fabijańska, 1992)
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