Spring breeding seasons need to stay on time. Traditionally spring breeding seasons in the Southern Plains begin about the first of May. Many ranches breed the yearling replacement heifers starting in mid-April, allowing the first calf heifers to have an extra 2 weeks to return to heat cycles along with the mature cows the following year. Realizing that this timing of the breeding seasons will force a few calves to arrive in late January and many calves in February, it is necessary that the breeding season is completed before extreme summer heat arrives. Breeding seasons occurring during extremely hot weather…
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