This study will lead a promising direction in exploiting the single cell protein resource with high protein digestibility.

While choice 5 clean pig from every group carry out digest test with method of interior indicator,research enzyme preparation affect piglet productivity and digestion rate of dietary nutrients respectively.

0‰ could apparently increase the digestion rate of t he nutritionl matter of giant panda s diet.

Grazing feed intake and nutrients digestion rates of male Angus crossbreed were measured by the methods of collecting whole feces and AIA in spring.

Analytical method for the determination of infant formula protein digestibility in vitro;

Effects of different feed copper on nutrient digestibility in Simmental steer;

Effects of Phytase on Growth Performance and Digestibility of Piglets;

Endogenous outputs and true digestibility if phosphorus associated with rapeseed meal and soybean in growing pigs by multiple linear regression analysis technique;

The evaluation method of the endogenous phosphorus output and the true digestibility of phosphorus;

The ileum digesta were collected for determination of apparent and true digestibility of protein and amino acids.

The study on the digestive rates of dietary amino acids in silky fowl;

Effect of enzyme preparation and adding level on weanling piglets performance and digestive rate;

In digestive trial,using Cr 2O 3 as a indicator,we determined the influence of various additives on the nutrition component digestive rate to Songliao black swine,we also progressed slaug.