KY Dairy Notes (December '22)
Tip of the Month
Cleanliness of the calving pen or area impacts the health of both her calf and the dam herself.
Calf— Besides timely intake of colostrum, cleanliness of the calving pen impacts the health and potential survivability of the calf. Many causes of disease within the first 2 weeks of life can be
contracted from the calving pen.
Dam—-Metritis continues to be one of the primary issues in fresh cows. Well bedded and “clean” calving areas decrease the chances of “inoculating” the uterus during the calving process.
Taste panel detects paperboard flavor in milk stored in paper cartons in a recently published study.
A recently published study looked at the ability of a trained taste panel or consumers to detect off-flavors in skim or whole milk packaged in either paperboard, glass, or HDPE or PET plastic. A paperboard/cardboard flavor was detected in skim milk the same day it was packaged in a paper carton, but this off flavor was not detected until day 5 of storage for whole milk. As length of storage increased, this off flavor increased as did a refrigerator/stale flavor in milks stored in paperboard. Off flavors were more intense for skim versus whole milk and increased with a decrease in the size of container. Consumers could not detect off–flavor differences in skim or whole milk stored in either glass or plastic 10 days after processing.
Authors: Cadwallader, Gerard and Drake, NC State, J. Dairy Sci. Article in Press, 11-7-22
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