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The effect of genetic merit and production system on dairy cow fertility, measured using progesterone profiles and on-farm recording
Journal Article
Pollott, G. E., & Coffey, M. P. The effect of genetic merit and production system on dairy cow fertility, measured using progesterone profiles and on-farm recording. Journal of Dairy Science, 91(9), 3649-3660. https://doi.org/10.3168/jds.2007-0913

The recent decline in dairy cow fertility appears to be a feature of several countries and is often linked to increased milk production, but its causes are not always obvious. A fully recorded 200-cow dairy herd, split into 2 genetic lines maintained... Read More about The effect of genetic merit and production system on dairy cow fertility, measured using progesterone profiles and on-farm recording.