artificial insemination for catfish

This is a great success of Mr. Phuong's family because, currently in the North of Vietnam, there is only 1 closed Aquaculture Research Institute in Bac Ninh province that can

With the technical assistance of Yen Bai Fisheries Department, Tran Van Phuong's family in Van Hoi commune, Tran Yen district (Yen Bai) boldly applied the method of artificial