Haemophilus parasuis is one kind of constant bacteria in porcine upper respiratory tract,and it can cause multiple serositis,arthritis and other diseases under
With the enlarging scale and intensifying production of livestock and poultry breeding,the environment pollution becomes increasingly prominent in the Dianchi L
The aromatic components and contents in fruit of apricot cultivar Jinkaite were analyzed in green ripe period,commercial ripe period and full ripe period by sta