When the flocks some clinical symptoms, such as decreased appetite, dehydration, brown dysentery, lameness, fever, different mortality, ear black and eye socket hematoma, etc., may be mixed infection of several viruses, bacterial diseases, that flock herd immunity is decreased, and if measures are n

When the chicken farm with certain clinical symptoms, such as appetite, diarrhea, dehydration, brown legs, fever, almost all of the different mortality rates, ears, black eyes hematomas, and could be one of several viral and bacterial diseases, mixed infection that chicken farm herd immunity has bee

When the chicken group has certain clinical symptoms, for instance the appetite drops, the dehydration, brown dysentery, is lame, has a fever, the different mortality rate, the ear department becomes dark with the eye socket haematoma and so on, possibly is several kind of virulence, the bacterial d

Dang chicken group appears some clinical symptoms, such as appetite declined, and dehydration, and Brown dysentery, and lame legs, and fever, and different of mortality, and ear Department blackened and eye hematoma,, may is several virus sexual, and bacteria sexual disease mixed infection, that chi

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