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Mastitis Research Paper

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The Hidden Costs of Mastitis

Mastitis is the most costly disease to the dairy industry, estimated at nearly $2 billion dollars annually in the US (Schroeder, 2012). When evaluating the costs of mastitis, many farmers think of the direct costs, those that occur immediately at the time of infection. The most significant of these include the cost of discarded milk and treatment (both the veterinary service and cost of medicine). But there are many underlying costs that may not be immediately apparent. Often these hidden costs can be larger than the direct costs, encompassing issues such as increased risk of subsequent health disorders, long term effects on milk yield and quality, culling, labor and even farmer health.
Risk of Subsequent Health …show more content…
This is due to changes to the udder’s structure and function caused by infection on the cellular level. Discarded milk during the infected stage also has associated lost feed costs.
The quality of milk following a mastitis infection can also suffer. The elevated Somatic Cell Count (SCC) associated with subclinical infection can change the composition of milk in terms of the ratio of fat to protein. The structure of milk proteins can also be altered by high SCC, decreasing the manufacturing properties of the milk and resulting in lower quality products such as cheese and yogurt. Lower quality dairy products have less market value and decrease consumer demand, ultimately decreasing the income of the …show more content…
Labor costs can also be incurred through a potentially less efficient milking routine. It is recommended that mastitic cows be milked last and with separate equipment, or at the very least equipment be sanitized after each use. Depending on the parlor style and the number of workers you have this can increase the total milking time, resulting in increased wages or time taken away from other tasks.
Conventional mastitis treatment is done with antibiotics. Repeated use of antibiotics for chronic infection in an individual cow usually results in decreased efficacy over time. Eventually this can lead to the emergence of antibiotic resistant pathogen strains.
Perhaps the least discussed cost associated with mastitis is farmer health. Battling persistent infection, potential penalties and income loss is a major contributor to stress and depression. If these problems persist there is a high risk of developing more severe mental health problems and stress related disorders, such as a heart

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