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K-Shires, J and L or anyone else...SCC control
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<blockquote data-quote="J and L" data-source="post: 213563" data-attributes="member: 3494"><p>SCC goes up at the end of lactation because there is less milk to "water out" the cell numbers. Older cows seem to produce a few more cells that younger ones-- maybe because they have been exposed to more over their lifetimes, and cell production isn't linear with milk production. It is there on its own scale.</p><p></p><p>I've come to believe that most elevated SCC's in early lactation are either from irritation caused by past problems or from the stress swelling and being bumped around puts on the udder. Anything that irritates the udder makes it try to "heal" itself. We used to culture cows with SCC's over 400 in the first month but usually didn't find anything on the older cows. Keep in mind that white cells are part of the protein in milk, so elevated SCC can mean higher protein.</p><p></p><p>As for summer SCC's, bugs grow much better in bedding, on teats, etc in the warm months, so cows are exposed to more of them. Not every cow becomes clinical when exposed but her cell count goes up as she fights the infection off on her own. I think individual counts spike and retreat much more often in summer and that skews the tank averages.</p></blockquote><p></p>
[QUOTE="J and L, post: 213563, member: 3494"] SCC goes up at the end of lactation because there is less milk to "water out" the cell numbers. Older cows seem to produce a few more cells that younger ones-- maybe because they have been exposed to more over their lifetimes, and cell production isn't linear with milk production. It is there on its own scale. I've come to believe that most elevated SCC's in early lactation are either from irritation caused by past problems or from the stress swelling and being bumped around puts on the udder. Anything that irritates the udder makes it try to "heal" itself. We used to culture cows with SCC's over 400 in the first month but usually didn't find anything on the older cows. Keep in mind that white cells are part of the protein in milk, so elevated SCC can mean higher protein. As for summer SCC's, bugs grow much better in bedding, on teats, etc in the warm months, so cows are exposed to more of them. Not every cow becomes clinical when exposed but her cell count goes up as she fights the infection off on her own. I think individual counts spike and retreat much more often in summer and that skews the tank averages. [/QUOTE]
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