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Mastitis

Mastitis. Vocabulary. Mastitis -- inflammation of the mammary gland usually caused by microorganisms and bacteria Clinical Mastitis -- visible signs of mastitis Somatic Cell Count– The # of white blood cells in milk. Indication of infection.

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Mastitis

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  1. Mastitis

  2. Vocabulary • Mastitis -- inflammation of the mammary gland usually caused by microorganisms and bacteria • Clinical Mastitis --visible signs of mastitis • Somatic Cell Count– The # of white blood cells in milk. Indication of infection. • Subclinical Mastitis -- no visible signs of the disease: • Somatic cell count (SCC) of the milk will be elevated. • Causes the greatest financial loss to dairy farmers through lowered milk production.

  3. What Causes Mastitis? About 95% of all infections are caused by • BACTERIA • Streptococcus agalactiae • Staphylococcus aureus, • Escherichia coli. The other 5% are caused by other ORGANISMS. • For example: • Dirty milking parlors and equipment • Corrals and stalls that aren’t clean and bedded. • Injury to udder or teats

  4. What are the symptoms of Clinical Mastitis? • Flakes or clots in milk • Color changes in milk • Quarter of udder is swollen or tender • Decreased milk production

  5. How is Mastitis diagnosed? • California Mastitis Test (CMT) • Strip cup • Somatic Cell Count test performed in laboratory

  6. What can be done to prevent Mastitis? • Wash udder thoroughly before milking • Dip teats with antibacterial solution • Clean milking equipment • Separate infected animals • Give animals clean and dry bedding

  7. Why is it important to diagnose subclinical mastitis? There are no symptoms It’s DECREASING milk production!

  8. How to Perform the California Mastitis Test 1- Clean each teat with alcohol 2- Squirt a small amount of milk from each quarter into appropriate well 3- ½ Teaspoon is sufficient 4- Mix an equal amount of reagent with the milk

  9. Read the Results How to Read the Results: The CMT reagent reacts with the white blood cells and the mixture thickens or gels in proportion to the amount of infection present.

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