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Milk protein % has turned negative. This is a sign of poor energy nutrition or poor grassland management.
The week of extreme heat won’t have helped. When heat stressed, cows lie down in the shade more, intakes drop dramatically.
In extreme heat, adjust up concentrate feeding by 2kg.
From a grass standpoint we have 2 differing scenarios:
both these scenarios will lead to poor energy intake and low milk proteins
How to deal with it:
Top, pre-mow, close fields for reseeding. Do everything possible to maintain pre- and post-grazing sward heights and covers.
2. Ensure cows intakes are being met. Buffer feed with concentrates and silage where required to maintain intakes
For best advice contact your Dairygold ASM today