Dairy cattle should be quarantined
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Last Update: 2002-01-21
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Source: Internet
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Author: User
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Introduction: January 18, 2002 Anhui Daily News: with the development of dairy industry in Anhui Province, farms (households) often pay attention to feeding management, but neglect that milk should be quarantined regularly In fact, it is very important to quarantine the cows regularly every year According to the national regulations, all dairy cows must be quarantined for tuberculosis and brucellosis every year, and the infected cows must be culled and eliminated The fresh milk produced by cattle without quarantine shall not be sold on the market The purpose of this is to ensure the health of consumers and protect the interests of dairy farmers 1 Tuberculosis: the main source of infection of the disease is the diseased animals in the cattle herd The tuberculosis bacteria are often discharged from the body with the faeces, milk and respiratory tract of the diseased animals, polluting the environment and spreading Infection through contaminated air, respiratory tract, or digestive tract through contaminated feed, drinking water, and milk Cow Tuberculosis usually takes the chronic process, the initial symptoms are not obvious, the disease is longer, the disease gradually revealed, so when the weight of the cow is reduced, gradually emaciated, it should be suspected as this disease Common is tuberculosis, because it is transmitted through the respiratory tract, once there are sick animals in the herd, they can often infect other cattle in the same barn in a short time, and at the same time infect the breeder Due to the long time and high cost of TB treatment, for example, the milk production of sick cattle is greatly reduced during the period of disease, so it is generally not treated, and all of them are eliminated UDS 2 Brucellosis: mainly affecting the reproductive system, characterized by abortion in female animals and orchitis in male animals Sick animals are the source of infection The pathogens are discharged from the body with milk, semen, aborted fetus, placenta, amniotic fluid and uterine secretions, polluting feed, drinking water, soil, utensils, etc they are mainly infected through the digestive tract and can also be infected through mating Most of the sick female animals only miscarry once, after which the symptoms may gradually disappear, but there are recessive cases in the herd for a long time, and the bacteria are continuously discharged The existence of recessive cases often makes people lose their vigilance and poses a greater threat to other cows and breeders The treatment of brucellosis is difficult, so it is not recommended UDS control measures: dairy cattle tuberculosis, brucellosis mainly take quarantine, disinfection, cultivation of healthy herds and other comprehensive control measures Quarantine: in spring and autumn every year, the whole population will be quarantined for tuberculosis and brucellosis, and all the positive cattle detected will be culled and eliminated Through constant quarantine and elimination of sick animals, cattle are purified At the same time, when introducing cattle, they must go through the quarantine of the animal epidemic prevention supervision department of the place of origin, and hold the full quarantine qualification certificate and health certificate, otherwise they shall not be imported The introduced cattle must be isolated and observed for 30 days, and only when there is no abnormality can they be fed in mixed herds It is also important to disinfect the cowshed regularly and keep a clean environment The health examination shall be carried out once a year for the breeders Those who suffer from zoonoses shall not engage in breeding activities UDS
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