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

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Canadian Quality Milk o If using an alarm and measuring temperature at the end of the wash cycle, alarm must be triggered if the temperature drops more than 10°C below the accepted range. Note: the alarms for the wash water are intended to monitor the milking equipment, not the bulk tank. Question 50: Have you established and implemented a Standard Operating Procedure for post-milking system cleaning? (Record 4) For an AMS, the post-milking SOP becomes your SOP for cleaning and maintaining an AMS. Standard Operating Procedure for Cleaning and Maintaining an Automatic Milking System To ensure that milk is cooling properly and that the equipment is cleaned adequately, An Automatic Milking System cleaning SOP is an important part of your CQM program. The SOP must contain enough information to ensure that a relief farm worker can perform the steps. The following are various elements that should be included in your AMS Cleaning SOP. Describe how the robot is programmed to wash, sanitize and rinse. For example, some robots are programmed to run a complete wash 3 times a day, to rinse the teat cups after every cow or every 10 cows are milked, and to rinse and sanitize if idle for more than 45 minutes and after every treated cow is milked. Check the cleaning of the system once per day. • Check to ensure there were no cleaning or milk temperature alarms in both the main and buffer tank (time temperature recorders, etc.) or attention lists (slow cooling of milk, too long between washes, abnormal milk, etc.) or exception reports. • Check the inflations, sanitary trap and receiver jar. • Check the air bleeds on each quarter unit. • Check the level of the soaps and other chemicals used (e.g. teat spray) weekly. Clean the outside of the AMS and surrounding area once per day. • Scrub with soap and clean components of the milking system. • Clean the robot room floor daily. • Check and clean the laser periodically during the day while the robot is not in use. June 2010 10—5
Canadian Quality Milk Check and record the temperature of the pre-rinse water (weekly) or wash water (monthly) (Record 13). Check and record the cleanliness of milking equipment regularly (e.g. receiver jar and bulk milk tank) (minimum acceptable frequency is monthly, weekly is recommended). Change the filter. • Describe how to shut the system down and change the filter. • Change the filter at the start of washing at least twice per day. • Check the filter for signs of mastitis and other debris. If you identify a problem, ensure that you follow corrective actions. Check the buffer tank and main bulk tank. • Post a milk pick-up/cleaning procedure for the milk truck drivers. The instructions should include how to switch diversion from the main tank to the buffer tank, how to start the wash for the main tank and how to start the cooler for the buffer tank. • Inspect the main bulk tank whenever it is empty to make sure it is clean (drying the bulk tank milk contact surfaces may help you detect deficiencies in surface cleaning). • Follow the same wash procedures for the buffer tank after milk transfer to the main tank, including sanitizing approximately prior to its use (if possible, check the main tank and the buffer tank when they are dry). • Sanitize the buffer tank about half an hour before the milk truck arrives. Teat Cleaning. • Observe teat cleaning and post spraying/dipping of one animal for each milking unit at least once a day. • Check that roller brushes are clean. Clean teats remain a concern with AMS. AMS are capable of cleaning, sanitizing and drying teats, but they may not do it well. Cattle in an AMS herd may be expected to be kept cleaner to reduce the incidence of dirty teats. The Hygiene Scoring Card in Chapter 1 of the Reference Manual shows you how to score the cleanliness of your cattle’s udders. Question 55: Do you have a functioning safety switch or fail-safe system in place to avoid accidental entry of wash water into the tank? An AMS does not have a safety switch but it must have a fail-safe system to keep antibiotic milk and wash water out of the tank. The device is also designed to err on the side of dumping clean milk if there is a malfunction. 10—6 June 2010
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Canadian Quality Milk On-Farm Food
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