The gene encoding gD of isolate Luojing of infectious bovine rhinotracheitis virus (IBRV)was amplified,sequenced, and cloned into plasmid pcDNA 3.1, resulting i
A kind of international rapid field measurement methods of hydraulic conductivity and it's applications in Sanjiang Plain have been introduced in the paper.
Genetic parameters for milk,fat yield and age at first calving of Chinese Holsteins in Heilongjiang were evaluated using multiple-trait restricted maximum likel
The growth curves of five meat rabbit breeds are fitted in form of Gompertz model. The results are shown as follows :the goodness of fit is higher than 99.50% ;