TAILIEUCHUNG - Dairy cattle husbandry - Part 3

Diseases and disease control In this chapter we describe some important measures to control diseases caused by infectious agents. To avoid diseases due to nutrient deficiencies you are referred to Chapter 3. Ill-health due to genetic abnormalities can generally be limited by not breeding with the suffering animals | 5 Diseases and disease control In this chapter we describe some important measures to control diseases caused by infectious agents. To avoid diseases due to nutrient deficiencies you are referred to Chapter 3. Ill-health due to genetic abnormalities can generally be limited by not breeding with the suffering animals as well as avoiding inbreeding . This means family breeding for instance do not cross a father bull with his daughter look for another bull as sire. Vaccinations Vaccination against rinderpest is usually obligatory in Africa and can be combined efficiently with vaccination against contagious bovine pleuropneumonia. In areas where haemorrhagic septicaemia prevails usually fairly humid vaccination against this disease is usually compulsory too. Vaccinations against anthrax and black quarter are strongly recommended in certain localities even though most livestock-keepers seem to prefer just to hope their herd will not become infected. If it does they tend to ask for ring-vaccination the healthy animals of the herd are vaccinated as well as the animals of surrounding herds. If you keep milk-cattle it might be worthwhile vaccinating against foot-and-mouth disease and against brucellosis. It is best to contact a local veterinary officer to discuss with him which vaccinations to use. He knows which diseases are common in the area. The costs and benefits of these vaccinations should also be taken into consideration. Worm prevention A massive worm infection can express itself in the animal as a gradual loss in condition and production or directly as illness. Although some kinds are relatively harmless others suck blood to the point that the animal has too little blood or travel around the body until they become adult thereby causing wounds and obstructions. For worm in 36 Dairy cattle husbandry fections the golden rule really applies it is better to prevent than to treat . How to prevent the destruction caused by worms Life and reproduction cycles of .

TỪ KHÓA LIÊN QUAN
TAILIEUCHUNG - Chia sẻ tài liệu không giới hạn
Địa chỉ : 444 Hoang Hoa Tham, Hanoi, Viet Nam
Website : tailieuchung.com
Email : tailieuchung20@gmail.com
Tailieuchung.com là thư viện tài liệu trực tuyến, nơi chia sẽ trao đổi hàng triệu tài liệu như luận văn đồ án, sách, giáo trình, đề thi.
Chúng tôi không chịu trách nhiệm liên quan đến các vấn đề bản quyền nội dung tài liệu được thành viên tự nguyện đăng tải lên, nếu phát hiện thấy tài liệu xấu hoặc tài liệu có bản quyền xin hãy email cho chúng tôi.
Đã phát hiện trình chặn quảng cáo AdBlock
Trang web này phụ thuộc vào doanh thu từ số lần hiển thị quảng cáo để tồn tại. Vui lòng tắt trình chặn quảng cáo của bạn hoặc tạm dừng tính năng chặn quảng cáo cho trang web này.