母牛流产原因分析及对牛黄曲霉毒素中毒病的诊治体会

母牛流产是奶牛养殖中普遍存在的问题，如果不采取积极预防和治疗措施，会导致母牛繁殖周期延长、产犊率降低，从而对养殖业的经济效益造成重大损害。本研究调查分析了2022年10月至2023年9月期间某牛场母牛的流产情况。统计结果显示，29头可繁殖母牛共产下29头小牛，其中9头新生小牛不幸死亡，流产率近1/3。为明确流产原因，本研究对环境、饲料、用药等多方面进行了调查和检测。经研究发现青贮饲料严重霉变，黄曲霉毒素B1含量显著超标。综合各项检查，初步判断母牛长期食入黄曲霉毒素污染饲料是导致流产的根本原因。此外，本研究提出了一系列有针对性的防控对策，包括监测动物健康、规范饲料管理、定期检测霉菌毒素等，以最大限度地预防和减少母牛的流产问题，并期望对广大奶牛养殖户提供一定帮助。

Analysis of Causes of Cow Abortion and Clinical Insights into Diagnosis and Treatment of Aflatoxin Poisoning in Cattle

Cow abortion is a common issue in dairy cattle farming. If not actively prevented and treated promptly, it can lead to extended breeding cycles and reduced calving rates, thus causing significant economic losses to the livestock industry. This study analyses cases of cow abortion that occurred on a specific cattle farm between October 2022 and September 2023. The statistical results revealed that out of 29 reproductively capable cows, 29 calves were born, but unfortunately, 9 of the newborns died, resulting in an alarming abortion rate of nearly one third. To identify the underlying causes of these abortions, this research conducted comprehensive investigations and tests on various factors, including environmental conditions, feed quality, and medication practices. The study revealed severe contamination of silage feed with mold and a significant excess of Aflatoxin B1. Considering these findings and the overall examination, the preliminary conclusion points to prolonged consumption of Aflatoxin contaminated feed as the fundamental cause of cow abortions. To mitigate the abortion rate, this study proposes a series of targeted preventive and control measures. These measures include monitoring animal health, regulating feed management, and conducting regular tests for mold toxins. The objective is to minimize the incidence of cow abortions and provide valuable assistance to fellow professionals and cattle breeders.