To prevent tail biting, animals must be able to express their exploratory behaviour in an appropriate manner. This article presents the points to consider when choosing the most appropriate material.
What the experts say
Purchasing decisions are complex because, even though some consumers prefer meat with no fat in sight, they prefer the meat with the highest marbling degree when they taste it.
Traits of high or moderate heritability are easily improved by testing and selection. However, for traits of low heritability, improvements come from exploiting heterosis and by the use of BLUP.
This tool allows us to model the growth of animal body tissues in vivo and to study the effect of different factors (genetics, gender, nutrition) on this growth.
An accurate diagnosis is sometimes difficult because of the common occurrence of mixed infections, the compounding effects of environment and nutrition and the difficulties experienced in isolating and identifying all the possible pathogenic agents involved.
The transmission of PEDV through the feed supply chain is an example of a complex disease transmission pathway that triggered swine feed industry stakeholders to collaborate in understanding and addressing the risk factors.