Cá nuôi lồng trên sông Mã chết không phải do các bệnh truyền nhiễm
(Baothanhhoa.vn) - Theo kết quả xét nghiệm của Chi cục Thú y vùng III (Bộ Nông nghiệp và Phát triển nông thôn), chỉ tiêu BOD5, COD trong các mẫu cá chết trên sông Mã đoạn chảy qua huyện Bá Thước cao hơn mức bình thường, chứng tỏ chất lượng nước không được bảo đảm ảnh hưởng đến các loài động vật thủy sản, các chỉ tiêu này cao có thể do các hoạt động sản xuất, sinh hoạt của con người hoặc lũ lụt...
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