2023 Fall Simbrah News

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SOUTHERN LIVESTOCK STANDARD

FRIDAY, NOVEMBER 10, 2023

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Brought to you by American Simbrah Breeders

Rio Grande Valley Beef Improvement Association marks 25 years By Martha A. Hollida

It was 1998 and the Hidalgo County Beef Committee met to discuss educational programs for the coming year. From that discussion, the Rio Grande Valley Beef Improvement Association (RGVBIA) was birthed and 2023 marks 25 years for this bull gain test and heifer development program. “Ben Olivarez, a Santa Gertrudis breeder and our committee chairman, mentioned that there was a bull gain test being conducted in Jim Wells County. Our committee began researching and studying the Jim Wells test. The idea took off and we’ve

never looked back,” remembers Brad Cowan, who served as Hidalgo County Extension Agent for many years and was instrumental in the test’s operations for many, many years before retiring. The test was started and has always been conducted at Rio Beef Feed Yard, Edinburg, Texas, under the direction of Mike Risica. Dr. Joe Paschal, who served as the Texas A&M University Extension Livestock Specialist for the area for decades, adds that the committee wanted to assist cattlemen in the region in improving the quality of their

A group of Simbrah bulls on test at the Rio Grande Valley Beef Improvement Association test.

beef cattle. “This group identified a need for bulls to be evaluated for their performance in the feedlot so that those traits might be evaluated prior to putting them is service. The other need identified by the group was to get replacement heifers in good body condition as economically as possible prior to first breeding. As grass supplies in South Texas are many times not up to this task, the other need identified was to establish a replacement heifer development program. Thus, the decision to establish both a gain test and a heifer development program was

made,” adds Paschal. Over the 25 years, the Simbrah breed and its breeders have been very involved in the test. “Our ranch participated in the RGVBIA from its inception until 2008 when we left the Rio Grande Valley. We have been better for the knowledge gained and the association with some great Extension people, as well as fellow breeders. Mike Risica and his crew at Rio Beef Feed Yard were great to work with also. We fed both replacement heifers and herd bull prospects. When we started entering bulls into their bull program, it was only a gain test but a lot of us came together and decided that to evaluate herd bull prospects properly, many more characteristics needed to be measured. I remember it took

some thought to come up with those characteristics and how each one would be rated to evaluate and rate each bull within breed. Every participant receives all the data on all the bulls and while the bulls were compared within breed, it was always very valuable to learn how the other breeds performed. As with every program like this, you either came away feeling pretty good about your breeding program or wanting to sell everything and start again. Measuring heifer reproductive tracts proved to be extremely valuable if a replacement heifer is going to breed at the right age and be able to have a calf. If you don’t measure your cattle, you really don’t know what you’ve got, what to keep, what to sell with confidence or what to cull, describes Simbrah breeder,

Beth Mercer, Filegonia Cattle Company. A unique index was developed over time for the 112-day gain test. The leadership felt that proper weight should be given to the various traits so that cattle performance and market acceptance are kept in proper balance. Within each age group, and only within each breed, bulls are ranked using the ratio of the RGVBIA Index and today that index is according to the following percentages: 30% Ratio of Average Daily Gain 20% Ratio of Rib Eye Area/cwt 20% Ratio of Weight per Day of Age, 20% Ratio of Marbling and 10% Ratio of Scrotal Circumference (Continued on page 3)


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