DEEP-Treatment Plan-II

DEEP-Treatment Plan-II - Mastitis Treatment Protocol...

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Unformatted text preview: Mastitis Treatment Protocol Treatment - II Sears, DEEP 2001 Sears, DEEP 2001 Mastitis Management Plan Environmental mastitis Primary source the environment - soil, feces, bedding Major loss clinical mastitis- disturbed function Contagious mastitis Primary source the gland of other cows Major loss nonclinical - production Sears, DEEP 2001 ClinicalMastitis Problem Severe clinical cases >1% per year New clinical cases >2% per month 50 cases. 100 cows 50% of herd/yr Coliforms Strep sp Staph sp Staph aureus Strep ag Bacteriological Cultures (milk) Environmental organisms Contagious organisms Step 2: Diagnostic test to determine causative organisms . Step 1: Review records and identify problem Step 3: Generate solutions - Treatment Protocols Mild mastitis - abnormal milk Intermediate/moderate - pain, swelling Severe mastitis- systemic: fever, dehydration & shock 1. Mi lk sepa rate ly 2. Sel l 3. Dr y off Seg rega te Co ntag ious Or gan ism a. Fee d intak e b. Ac tivity 1. Cl ean up env ironm ent 2. Do not hav e to segr egat e 3. Wa tch close ly En viro nme ntal Cu ltur e Pos itive Qu arter (s) CM T Co ws at LS 4 and Ab ove DH I Mo nthl y SCC (Co ws ) Bu lk Ta nk SCC (He rd) Sears, DEEP 2001 Strep ag Mastitis Streptococcus agalactiae Lives only in infected quarters Spread from cow to cow (milking, hands, common cloth) Subclinical High SCC and Reduced production Treatment: Lactation 60 - 95% (75%) Dry off 80 - 98% Contagious mastitis Sears, DEEP 2001 Strep ag Susceptible Laboratory Testing Active Isolates Susceptible Tested (%) Amoxicillin 114/116 98.3 Pen/Novobiocin 106/108 98.1 Cephaprin 119/123 96.7 Novobiocin 80/87 92.0 Pirlimycin 108/123 87.8 Erythromycin 107/123 87.0 Hetacillin 104/123 84.6 Penicillin 94/123 80.5 Sears, DEEP 2001 Strep ag Mastitis Herd A Herd B 485 cows (Strep ag-free) 450 cows purchase 110 cows purchase 450 cows...
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DEEP-Treatment Plan-II - Mastitis Treatment Protocol...

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