Veterinary Technician Practice Exam

What is the leading cause of profit loss in dairy cattle, often affecting milk production?

1. Neosporosis

2. Digestive Disorders

3. Mastitis

4. Calving Difficulties

The correct answer is: Mastitis

Mastitis is considered the leading cause of profit loss in dairy cattle due to its significant impact on milk production. This disease, characterized by an inflammatory response in the mammary gland, can reduce the quantity and quality of milk produced. Infected cows may have lower milk output, and the quality of the milk can be compromised, leading to potential downgrades and loss of marketability. Additionally, the treatment and management of mastitis can incur substantial veterinary costs and require repeated interventions, adding further financial strain to dairy operations. The presence of mastitis often leads to extended periods of decreased milk production, as infected cows may need to be culled or have a significantly extended recovery time before returning to normal production levels. Digestive disorders and calving difficulties can also lead to financial losses, but their overall impact on continuous milk production is not as pronounced as that of mastitis. Neosporosis primarily affects gestation and can lead to abortion, though it does not have as direct an effect on milk production as mastitis does. Therefore, mastitis stands out as the primary concern regarding profitability in dairy cattle management, making it a crucial aspect of maintaining a successful dairy operation.