Sự đồng nhiễm các mầm bệnh trong các ca bệnh rối loạn sinh sản ở heo nái

Chỉ số đề mục

Lĩnh vực nghiên cứu

Khoa học y, dược

Dạng tài liệu

BB

Tác giả

Đỗ Tiến Duy, Ngô Thị Ngọc Trâm⁽¹⁾, Đỗ Thị Thùy Dung, Đặng Hoàng Kim, Nguyễn Minh Nam, Nguyễn Thị Thu Năm, Nguyễn Tất Toàn

Nhan đề

Sự đồng nhiễm các mầm bệnh trong các ca bệnh rối loạn sinh sản ở heo nái

Nhan đề tiếng anh

Co-infection of important pathogens in reproductive disorders cases in sow farms

Nguồn trích

Tạp chí Khoa học kỹ thuật Thú y

Năm xuất bản

2024

Số

2

Trang

18

ISSN

Từ khóa

Từ khóa tiếng anh

Tóm tắt

Mục tiêu của nghiên cứu này nhằm xác định sự lưu hành và đồng nhiễm của các mầm bệnh quan trọng ở heo nái có biểu hiện rối loạn sinh sản. Mẫu được thu thập trên heo nái, thai sảy (thai khô, thai chết lưu) và heo con yếu từ 9 trại được khảo sát. Bốn mầm bệnh bao gồm Mycoplasma suis (M. suis), porcine circovirus type 3 (PCV3), porcine circovirus type 2 (PCV2) và porcine reproductive and respiratory syndrome virus (PRRSV) đã được phát hiện ở các ca rối loạn sinh sản với tỷ lệ khác nhau (P<0,01), chủ yếu ở dạng đồng nhiễm. Trong đó, M. suis và PCV3 là hai mầm bệnh có tỷ lệ lưu hành cao nhất lần lượt là 100% và 55,56% theo trại; và 85,65% và 39,35% theo cá thể heo nái khảo sát. M. suis và PCV3 hiện diện ở cả máu heo nái, thai sảy và heo con yếu, trong đó phổ biến nhất ở heo con yếu và thai chết lưu. Tương tự, đồng nhiễm M. suis và PCV3 được phát hiện ở mô của heo con yếu chiếm tỷ lệ cao nhất (64,0%), tiếp theo là máu heo nái (32,09%), thai chết lưu (19,35%) và cuối cùng là thai khô (15,38%); P<0,001. Các mầm bệnh virus gây rối loạn sinh sản khác như ASFV, CSFV, PPV và PRV không phát hiện thấy trong nghiên cứu này. Nghiên cứu đã xác định được các mầm bệnh hiện diện ở các ca rối loạn sinh sản trên heo nái.

Tóm tắt tiếng anh

The objective of this study was to determine the co-infection of the important pathogens in reproductive disorder cases in the sow farms. The samples were collected from the sows, fetuses (mummified, stillborn) and the weak-born piglets from 9 farms. Four pathogens, such as: Mycoplasma suis (M. suis), porcine circovirus type 3 (PCV3), porcine circovirus type 2 (PCV2) and porcine reproductive and respiratory syndrome virus (PRRSV) were detected in the reproductive disorder cases (P<0.01), mainly in the co-infection. Among them, M. suis and PCV3 were the two pathogens detected in sows with the highest infection rates of 100% and 55.56% by farms, 85.65% and 39.35% by samples, respectively. M. suis and PCV3 were present in the blood of sows, fetuses (mummified, stillborn) and weak-born piglets, of which the most common were in the weak-born piglets and stillborn. Similarly, co-infection of M. suis and PCV3 was detected in the tissues of weak-born piglets with the highest proportion (64.0%), followed by the blood of sows (32.09%), stillborn (19.35%) and mummified (15.38%), P<0.001. Other reproductive disorder viral pathogens, such as: ASFV, CSFV, PPV, and PRV were not found in this study. This study identified the important pathogens presenting in the reproductive disorder cases of in the sow farms.

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Tài liệu tham khảo

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