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

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<strong>Canadian</strong> <strong>Quality</strong> <strong>Milk</strong><br />

of lactating cattle’s udders. Ideally, all cattle in the herd should score at 1 or 2. Over<br />

20% of the herd scoring 3 or 4 is unacceptable. At least 25% of the herd has to be<br />

scored to support compliance. Please refer to the score card in Figure 2.<br />

Figure 2: Hygiene Scoring Card<br />

Score: 1 2 3 4<br />

Source: Less Mastitis, Better <strong>Milk</strong> from Institut de technologie agroalimentaire, Québec and Pfizer Animal Health<br />

The following best management practices describe some methods to help keep<br />

lactating cattle clean:<br />

Design stall area for cattle safety, cleanliness, maximum comfort and space for<br />

movement.<br />

• Ensure proper slope (recommended minimum 2-3%) for surface drainage.<br />

• Construct curb heights (20-30 cm or 8-12 inches) to keep manure, scrapings,<br />

and flush water out and to minimize udder damage.<br />

• Design stalls to provide enough lunge space in front of the cattle so they can get<br />

up and down naturally. If they cannot lunge forward naturally, they may lunge<br />

diagonally, increasing stall dirtiness.<br />

- In free stalls, mounting loops on posts eliminates horizontal mounting pipes in<br />

the “bob” zone of cattle.<br />

- In tie stalls, a higher head rail and a longer chain allow cattle to get up and<br />

down naturally and to rest in their favorite position.<br />

• Stall width and length and neck rail position are a compromise between cow<br />

comfort and stall cleanliness.<br />

1—6<br />

June 2010

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