1. Infectious bronchitis virus, infectious bursal disease virus, reticuloendotheliosis virus, chicken infectious anemia virus, reovirus, Escherichia coli, Salmonella, Candida and some anaerobic bacteria can cause the occurrence of adenogastritis.
2. eye type chicken pox is also thought to cause broiler glandular gastritis. In the season of chicken pox, the northern part usually occurs in autumn and winter, and this period is also the period with the highest incidence of glandular gastritis. According to the law of incidence, chicken pox first occurs, then glandular gastritis, and then there are mixed infections of other diseases, and there is no effective drug for targeted treatment.
3. Broilers grow too fast, feed digestibility is high, feed crude fiber content is low, broilers feel poor hunger, glandular stomach and muscular stomach have no emptying time, glandular stomach and muscular stomach are not fully exercised and maintained, leading to glandular stomach and muscular stomach function significantly decreased, resulting in glandular gastritis.
4. the influence of mycotoxins. T 2 toxin produced by Fusarium spp. is corrosive and can cause necrosis of glandular stomach, muscular stomach and feather epithelial mucosa; Ovotoxin can cause enlargement and necrosis of the isthmus annular surface connecting the glandular stomach and muscular stomach, covering the mucosa with pseudomembranous exudates; Arc acid can cause glandular stomach enlargement, mucosal hyperplasia, ulcer thickening, leading to the occurrence of glandular gastritis.
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