Canadian Quality Milk On-Farm Food Safety Program - Centre ...

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Canadian Quality Milk 11.1 Troubleshooting Antibiotic and Other Residues in Milk and Dairy Beef CAUSES SOLUTIONS Milk from treated animals enters bulk tank or animals are shipped for slaughter before end of withdrawal time: • No permanent written records of treatments • Forgetting animal was treated • Poor identification of treated animals • Poor communication between person who treated and person who milks or ships animals • All milk from all quarters of treated animal not kept out • Milkline used as a vacuum source to milk treated animal when using trap bucket to withhold milk • Separate milker unit for treated animals not used • Milker unit not cleaned properly between treated & untreated animals • Dry & treated animals not separated from the milking herd Prolonged drug withdrawal time because antibiotics used in extra-label fashion: • Antibiotic drugs used at a higher dosage and/or more frequently than label instructions • Livestock medicines administered by a route different from label recommendations • Antibiotic drugs not approved for use in lactating dairy cattle are used • Purchasing cattle that have been treated keep a permanent record of all treatments - see Workbook, Chapter C for examples Mark all treated animals in an easily recognized manner Post treatment information on a message or bulletin board to ensure people milking are aware of treated animals and appropriate withdrawals Discard milk from all quarters of treated animals Check with equipment supplier to see whether present pulsator can be adapted to provide vacuum to trap bucket Milk treated animals last or with separate equipment to ensure no contaminated milk can enter the milk supply Check all cull animals records before shipping to ensure withdrawal dates are met Thoroughly clean milker unit between treated and untreated animals Use antibiotic test where appropriate Separate dry cows from the milking herd Make a permanent record of all treatments - see Workbook, Chapter C for examples Use only approved livestock medicines, and use only according to label instructions or according to a veterinarian’s prescription Use appropriate antibiotic tests 11—2 June 2010
Canadian Quality Milk CAUSES SOLUTIONS • Dry cows that have been dry-treated calve earlier than withdrawal time on label Confirm date of dry-off treatment of freshened cattle to determine whether adequate withdrawal time has been observed Consult your herd veterinarian for advice on appropriate withdrawal times Use antibiotic test kits where appropriate • Feeding medicated feeds Medicated feeds for non-lactating dairy cattle should be stored separate from the milking herd feeds Remove all traces of medicated feed from storage and feed handling equipment • Animals’ udders treated with antibiotic ointments, salves and sprays • Antibiotic residue being secreted even after the approved withdrawal time is observed • Foot baths with medicated solutions used to combat infectious diseases of the feet Use only approved products Follow recommended withdrawal times Check all treated animals with an appropriate test Use only according to a veterinarian’s prescription For more information on preventing residues in milk and meat, see Chapters 4, 5 and 8. 11—3 June 2010
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Canadian Quality Milk On-Farm Food
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Canadian Quality Milk Table of Cont
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Canadian Quality Milk PRESIDENT’S
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Canadian Quality Milk ABOUT THIS BO
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Canadian Quality Milk 1.0 DAIRY FAC
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Canadian Quality Milk Introduction
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Canadian Quality Milk - Allow anima
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Canadian Quality Milk HAZARD SOURCE
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Canadian Quality Milk Introduction
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Canadian Quality Milk 3.0 ANIMAL HE
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Canadian Quality Milk 3.2 HEALTH MA
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Canadian Quality Milk 3.2.3 Decreas
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Canadian Quality Milk Clinical mast
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