METABOLISM OF DIET UREA IN THE RUMEN in vitro BY 15NTRACER TECHNIQUE Enhancing disease resistance in transgenic tomato over-expressing antimicrobial proteins, LjAMP1 and LjAMP2 from motherwort seeds Purification and characterization of an antimicrobial protein from seeds of Ginkgo biloba Purification and Characteristics of Antimicrobial Protein from Chlorella pacifica Transformation of anti-microbial protein encoded by gene api and the mediated resistamce to bacterial wilt of the trsnsgenic potato Effects of dietary nitrate dosage on ruminal nitrate disappearance rate, fermentation parameters and concentration of blood methemoglobin of Hu Sheep Effects of diet pellets with different concentrate-roughage ratios on rumen fermentation parameters and microorganism abundance in weaned bull calves