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Causes of cow abortion
Cows can experience abortion due to a variety of factors, including infectious diseases such as brucellosis, fetal vibriosis, trichomoniasis, and leptospirosis. In addition, structural issues like uterine malformations or excessive amniotic fluid can also lead to spontaneous abortion. Poor nutrition is another major cause—when cows are not provided with sufficient feed or receive an unbalanced diet, their overall health deteriorates, leading to weight loss and an increased risk of miscarriage.
Ingestion of toxic substances, such as sweet potatoes infected with black spot fungus or moldy and spoiled feed, can result in poisoning and subsequent abortion. Cold exposure is also a significant factor; feeding cows frozen forage or allowing them to drink cold or icy water can trigger sudden uterine contractions, potentially causing miscarriage.
Improper handling during transportation, such as long journeys, sudden jolts, sharp turns, steep inclines, or rough terrain, can stress the cow and lead to premature labor. Additionally, poor management practices in the barn, such as overcrowding, aggressive interactions, accidental falls, or sudden frights, can all contribute to abortion. Environmental factors like dampness, cold temperatures, and improper veterinary procedures—such as rough rectal or vaginal examinations, or incorrect mating practices—can also increase the risk of miscarriage.
These factors highlight the importance of proper care, balanced nutrition, and careful handling to ensure the health and well-being of pregnant cows.