GossypolToxicity(CottonSeedToxicity)
Preparedby:Dr.TerryHunt
TranslatedbyDr.傅小平
病因/发病机理
Cause&Pathogenesis
・棉子是廉价的蛋白和纤维饲料Cottonseedisacheapsourceofproteinandfibre
・含有使心肌中毒的棉子酚Containsgossypolwhichisacardiotoxin
・造成对心肌的渐进性损伤Causesgradualdestructionofheartmuscle
・用含棉子饼的犊牛开食料进行饲喂的牛多见
Mostcommoninbottlefedcalvesfedastarterrationofcottonseedmeal
RiskFactors・犊牛开食料中含棉子饼Cottonseedmealincalfstarterrations
临床症状ClinicalFindings犊牛Calves・突然死亡,伴有心肌损伤的呼吸困难
Suddendeathandrespiratorydyspneaassociatedwithmyocardialdamage
成年牛Adults・繁殖困难Reproductiveproblems
・公牛可逆性不育Reversiblesterilityinbulls
Diagnosis・饲料史、临床症状、饲料分析Feedinghistory,clinicalsignsandfeedanalysis
DifferentialDiagnosis
・莫能菌素中毒Monensintoxicity
・VE/Se缺乏VitaminE/Sedeficiency
实验室和病理学诊断LaboratoryandPathology
・饲料分析>10,000ppmFeedanalysis>10,000ppm
TreatmentPrognosis后遗症Sequelae
・长期生产性能低下Chronicpoordoers
Prevention&Control
・饲料分析Feedanalysis