THỬ NGHIỆM MỘT SỐ PHÁC ĐỒ ĐIỀU TRỊ CHẬM ĐỘNG DỤC Ở BÒ SỮA TẠI ĐƠN VỊ SAO ĐỎ - CÔNG TY CỔ PHẦN GIỐNG BÒ SỮA MỘC CHÂU

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Tác giả: Thị Hồng Duyên Dương, Thị Ngân Nguyễn, Diệu Thùy Phạm, Nhật Thắng Trần, Thành Chung Vũ

Ngôn ngữ: vie

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Thông tin xuất bản: Tạp chí Khoa học và Công nghệ - Đại học Thái Nguyên, 2023

Mô tả vật lý: tr.130-137

Bộ sưu tập: Metadata

ID: 339916

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Nghiên cứu được thực hiện nhằm đánh giá tình trạng chậm động dục ở bò sữa tại Đơn vị Sao Đỏ, Công ty cổ phần Giống bò sữa Mộc Châu và sử dụng các loại hormone hướng sinh dục điều trị cho bò để tăng tỷ lệ động dục và tỷ lệ có chửa. Bò chậm động dục thường do các bệnh: buồng trứng kém hoạt động, thể vàng tồn lưu và u nang
các bệnh này có xu hướng tăng dần theo lứa đẻ
trong đó, bệnh buồng trứng không hoạt động được đánh giá là nguyên nhân chủ yếu gây chậm động dục ở bò sữa. Kết quả điều trị bệnh buồng trứng không hoạt động bằng CIRD với PGF2a và GnRH đạt 89,47% bò động dục và 79,41% bò có chửa. Điều trị bệnh u nang buồng trứng bằng GnRH và PGF2α có 91,66% bò động dục và 90,09% bò có chửa. Điều trị bệnh thể vàng tồn lưu bằng PGF2a có 80% bò động dục và 83,33% bò có chửa. Các phác đồ thử nghiệm đều cho kết quả tỷ lệ động dục và tỷ lệ có chửa sau khi phối giống cao hơn lô đối chứng. Việc bổ sung các loại hormone hướng sinh dục vào các thời điểm thích hợp đã giúp tăng tỷ lệ động dục và tỷ lệ có chửa ở bò sữa, tăng hiệu quả kinh tế cho người chăn nuôi.The results of this study on anestrus situation in cows at Sao Do Unit, Moc Chau Milk joint stock company showed that bovine anestrus is caused by diseases such as underactive ovarian function, residual corpus luteum and cystic ovaries. These diseases tended to increase with parity
in which, the disease of underactive ovarian function mainly caused anestrus in dairy cows. The use of hormones in the treatment of anestrus in dairy cows has shown good results and has improved fertility. The disease treatment of underactive ovarian function by CIRD with PGF2a and GnRH reached 89.47% of oestrous cows and 79.41% of pregnant cows. Treatment of cystic ovarian disease in GnRH and PGF2α resulted in 91.66% of oestrous cows and 90.09% of pregnant cows. Treatment of residual corpus luteum disease with PGF2a obtained 80% of oestrous cows and 83.33% of pregnant cows. All experimental regimens resulted in higher estrus and pregnancy rates after insemination than those in the control group. The addition of gonadotropic hormones at appropriate times has helped increase the estrous rate and pregnancy rate in dairy cows, increasing economic efficiency for farmers.

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