It was studied of kinds contents and changes of organic acids in the composting of hen feces and dairy manure.

Effect of Waste Produced by Cow Breeding on Environment and its Control Measures;

The Relations of the Disease of Cow Afterbirth not Falling and the Trace Elements;

Developmental Competence of Ova Derived from Synchronized Follicles of Cow under Exogeneous Hormonal Control;

Effects of forage to concentrate ration on rumen fluids and acetate,propionate and butyrate in serum of lactating dairy cows;

SNP detection in 5′ flanking region of pIgR gene and association with IgA and IgM concentration in dairy cows;

Comparison of curative effects of traditional Chinese medicine and Western medicine on the diseases affecting the efficiency of embryo transfer on dairy cow;

Effects of dietary levels of Zinc-methionine on performance and blood parameters in lactating cows;

Detemination of Sustained-release-imidocarb Hydrochloride in Cows Plasma by K-ration Spectrophotometry Method;

Effects of different lactic acid bacterium preparations on milk production and milk quality in dairy cows;

Effect on biochemical index of serum in dairy cows by taking "Fu Fang Zhongyao Zhiji"during perinatal period;

Influence of Lactate Dehydrogenase(LDH) on Sex-Ratio of Keerqin Dairy Cows Progenies;

Comparison of concentrations of reproductive hormone and ovum growing during oestrous cycle of dairy cows;

Investigation on Cryptosporidium infection among dairy cattle in Tianjin area,China;

Etiology of displacement of abomasum in dairy cattle and measures for treatment and prevention;

Study on red coat color gene and prediction of protein structure in dairy cattle;