The first step in reproductive management is controlling the breeding and calving seasons. Whichever calving season (winter, spring, or fall) is chosen, the following reasons illustrate why a controlled, seasonal calving schedule is desirable.
1. The culling of cows and …
In order to be a successful breeder, a bull must produce adequate amounts of fertile semen and must be able to deliver that semen to the reproductive tracts of cows. There are a number of injuries a bull can sustain …
As the calving season approaches, cows will show typical signs that will indicate parturition is imminent. Changes that are gradually seen are udder development, or making bag, and the relaxation and swelling of the vulva or springing. These indicate the …
In a long-term study, Oklahoma State Univ. researchers bred crossbred cows to Angus or Hereford bulls that were either very high or very low for milk expected progeny differences (EPDs). The difference in High and Low Milk EPDs for Angus …
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For the past couple of years, ragweed growth has exploded in pastures. This has happened because of the timely spring rains that encouraged germination and seedling growth followed by sunny dry falls that helped seed development.
There are two types …
Alfalfa planted in August establishes well when moisture is available. Be sure to plant early enough so alfalfa has 6 to 8 weeks between emergence and freeze back to develop good cold tolerance. That means that if you are in …
Different livestock have different nutritional requirements. Dry, mature cows need 7 to 8 percent protein and 50 to 54 percent TDN in their diet. In contrast, two-year-old heifers that are nursing calves need more than 10 percent protein and 62 …
Are all forages alike? Of course not, but how different are they?
This is hard to tell just by smelling, touching, and looking at the forage. Its hard to see the variation of the forage quality because it is based …
There have been several alfalfa varieties that have been developed that have claimed that they could spread, run, or creep to thicken stands. These alfalfa plants grew underground and used rhizomes to form like bluegrass sod instead or growing in …
