Clostridial Infections in Cattle: A Comprehensive Review with Emphasis on Current Data Gaps in Brazil
2024
Felipe Masiero Salvarani | Eliel Valentin Vieira
Clostridial infections in cattle are a significant concern for Brazilian livestock. These diseases are caused by various species of <i>Clostridium</i>, which are known for their ability to produce potent toxins. Botulism in cattle is a serious and often fatal condition caused by the ingestion of neurotoxins produced by <i>C. botulinum</i>. This bacterium thrives in decomposing organic matter, such as spoiled feed, carcasses, and contaminated water. Tetanus is less common, but it is a serious disease that follows the contamination of wounds with <i>Clostridium tetani</i> spores. It results in muscle stiffness, spasms, and often death due to respiratory failure. Blackleg (<i>C. chauvoei</i>) is a disease that primarily affects young cattle, leading to acute lameness, swelling, and high fever. Malignant edema (<i>C. septicum</i> and others) is characterized by rapid onset of swelling at wound sites, and it can occur after injuries or surgical procedures. Enterotoxemia is triggered by the rapid growth of <i>C. perfringens</i> in the gut following excessive carbohydrate intake. This leads to toxin production that causes sudden death. In conclusion, clostridial bovine infections remain a persistent challenge for Brazilian cattle farmers. With continued focus on vaccination, good management practices, and research, the impact of these diseases can be minimized, safeguarding the livestock industry’s economic viability.
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