The influence of weaning time on the growth of piglets and reproductive performance of sows in Viet Yen district, Bac Giang province
31
lượt xem 2
download
lượt xem 2
download
Download
Vui lòng tải xuống để xem tài liệu đầy đủ
Findings of the influence of weaning age on the growth of piglets and reproductive performance of Landrace, Yorkshire sows showed: When weaned at 18 days old, weaners grew better than those weaned at 25 days of age, in particular: In the period of 45 and 60 days, weaner‟s bodyweight was, 13,62; 21,19 kg - 13,29 and 20.70 kg/head respectively with (P
Chủ đề:
Bình luận(0) Đăng nhập để gửi bình luận!
CÓ THỂ BẠN MUỐN DOWNLOAD