The objective of this study was to evaluate the effects of different doses of pistachio by-products (PBP) extracts on the protein protection from ruminal degradability in canola meals. PBP were extracted by four different solvents, i.e. 70% ethanol, 80% methanol, a mixture of chloroform and methanol, and water. Then, an in situ trial was conducted to determine ruminal degradability and disappea...
