Okhiomah Abu

I think you need to give a full picture of your digestibility trial. Is this an in vivo or in vitro study? Are you handling the feather alone or with other ingredient? Whatever the situation I am of the opinion that the sample used for dry matter basis may be your sure bet. Although it is true that pepsin is a protein and could be denatured at 50 degree Celsius.

Swine have greater tendency to lay down fat compared with cattle. Moreover, the degree of fat deposition depends on the energy balance. Inclusion of peanut is likely to affect swine more than cattle. The coloring of carcass is likely to be dependent on carotenoids (which are fat soluble) and not necessarily fat type by itself. The drive towards production of ethanol fuel will surely lead to inc ...