According to a recent article in the Miner Institute’s Farm Report, it is common for many farms to have a surge in the number of cows calving in July and August. This is due to lower fertility in the previous late summer and fall due to heat stress.

Since most close up group pens are sized for the average number of animals that calve in a three week time period, it means that half of the time the pen is over-crowded and under-populated for the other half, says Kent Henderson, veterinarian with Northwest Veterinary Associates.

Click here to read the strategies that Henderson offers to mitigate overcrowding in your close-up pens.

Source: Miner Institute