Pigs that eat less or refuse to eat are among the most common issues observed in veterinary clinics. These symptoms are often linked to poor feeding practices, such as irregular feeding schedules, overfeeding, or the consumption of spoiled feed. In addition, various health conditions like fever, gastrointestinal disorders, and other systemic diseases can also lead to reduced appetite.
When pigs are sick, they often show signs such as elevated body temperature, lethargy, and a general decline in activity, which can result in them not eating. Digestive system diseases, particularly chronic gastritis, are frequent culprits behind reduced feed intake. It's important to monitor their behavior closely and look for any changes in their overall condition.
In some cases, pigs may appear healthy with normal body temperatures but still refuse to eat. This could be due to several factors. For example, prolonged exposure to moldy corn can lead to chronic mycotoxicosis, causing appetite loss. Additionally, high environmental temperatures can cause discomfort, restlessness, and even aggressive behaviors like biting. In severe cases, this might lead to sudden death.
To address these issues, it's essential to take prompt action. First, treat any underlying illnesses by using antipyretic medications if fever is present, and then identify and address the root cause of the problem. Second, inspect the feed for signs of mold or spoilage, and replace it immediately if necessary. Third, consider adding stomachic agents like Jianweisan to the feed to stimulate appetite, especially in pigs that are not eating at all.
Finally, improving overall management practices is crucial. This includes reducing stocking density, ensuring proper lighting, maintaining good ventilation, controlling indoor temperatures, and keeping the environment clean and disinfected. By focusing on both prevention and treatment, farmers can significantly reduce the occurrence of feeding problems in their pig herds.
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