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It you are looking for information pertaining to animal reproduction, artificial insemination, in vitro fertilization, culling for fertility, or maintaining your herd bulls, this section has what you are looking for.

Semen/Nitrogen Tank Care

published: March 13th 2020 by: Dean Kreager source: The Ohio Beef Leader

Handle with care. The inner container is only attached to the outer container at the neck and a crack in this connection will cause the tank to quickly fail! Recently I talked about proper semen handling so this week I thought it was worth providing some information on care and handling of the liquid nitrogen tanks....

Managing prolapses in cows

published: March 6th 2020 by: Dr. Elizabeth Crabtree source: Oklahoma State University College of Veterinary Medicine

With spring calving season approaching, many ranchers will have to deal with the dreaded uterine and vaginal prolapse. Both prolapses are closely associated with calving, but each has very distinct causes and occurs at different times....

Preparing for calving season

published: February 20th 2020 by: Olivia Amundson source: Igrow

Whether the calving season will start soon or is a few months away, it’s never a bad time to start preparing for the arrival of fresh calves on the ground. Here are some things to consider prior to the beginning of calving....

Sheep, cattle Pregnancy Ultrasound School set Dec. 5-6 in San Angelo

published: November 22nd 2019 by: Susan Himes source: Texas AgriLife Today

    The Texas A&M AgriLife Extension Service is now accepting applications for the Pregnancy Ultrasound School for sheep and cattle. The school will be held Dec. 5-6 at the Texas A&M AgriLife Research and Extension Center at 7887 U....

Top 5 reproductive failures in beef operations and how to avoid them

published: October 4th 2019 by: Ryon Walker, Ph.D. source: Noble Research Institute

Achieving high pregnancy rates is an important goal in every cow-calf operation. After every breeding season, we are either satisfied with the results or wondering why our pregnancy rates were so low and focusing on ways to improve them....

Evaluating gestation length in cattle

published: September 20th 2019 by: Dr. Justin Rhinehart

What is the gestation length of a cow? This question usually gets the answer of “it averages 283 days.” A better answer is “it can range from about 265 to as much as 295 days.” For breeds that have focused on low birthweight genetics for several generations, the average gestation length has shortened....

Getting cows to breed back quickly

published: July 15th 2019 by: Travis Meteer source: University of Illinois Extension

  Weather events, poor conditions and hay shortages will result in some cows that will need extra attention prior to and during breeding season. After a weather event, it would be salt in the wound to have cows breed late and fall out of your calving season....

Keeping cows bred in summer heat

published: July 8th 2019 source: VitaFerm

The summer heat can zap your energy faster than you can rattle off your favorite cow’s pedigree. A typical day of work will make most people tired but add in extreme heat and humidity and sometimes surviving feels like a job in itself....

Enhancing cow fertility

published: June 5th 2019 by: Courtnie Carter source: University of Tennessee

The secret to enhancing fertility in your cow herd is not a new or ground-breaking technology, and it is not difficult to implement. It really is not a secret at all, but it does take commitment to a process, minimal investments of time and labor, and a willingness to potentially take an economic loss now in order to minimize more substantial losses in the future....

AgriLife Research scientists investigate mysteries of puberty in young female cattle

published: May 14th 2019 by: Blair Fannin source: Texas AgriLife Today

BEEVILLE – Uncovering the mysteries of puberty in young female cattle has been the focal point of career research for Texas A&M AgriLife Research scientists Drs. Gary Williams and Rodolfo Cardoso....

Test can determine if bull is ready for breeding season

published: April 29th 2019 source: Kansas Beef Extension

  MANHATTAN, Kan. – This time of year, A.J. Tarpoff enjoys warmer temperatures and green grass just as much as the next guy, but you might cut him a little slack if he thinks a bit differently about the onset of spring-like weather....

Getting cows to breed back quickly

published: April 4th 2019 by: Travis Meteer source: University of Illinois Extension

This winter was brutal. Weather events, poor conditions, and hay shortages have resulted in some cows that will need extra attention prior to and during breeding season. After a hard winter, it would be salt in the wound to have cows breed late and fall out of your calving season....

Diagnosing causes of reproductive losses

published: February 26th 2019 by: Taylor Grussing source: Igrow

Reproductive losses account for $1 billion dollars in lost revenue to the beef industry each year. All the way from conception to birth, we depend on a lot of things to go right, whether we are talking about natural or artificial breeding programs....

Bull selection guide

published: February 18th 2019 by: Grady Ruble source: Igrow

Bull sale season is upon us and those who are in the market for a new herd sire face a choice that will impact their herd for many years. Considering the number of bull sales, catalogs, and an ever-growing amount of performance information one must wade through, identifying the bull you wish to purchase can be the majority of the battle....

Trouble shooting poor pregnancy rates

published: November 27th 2018 by: Sandy Johnson source: Kansas Beef Extension

From time to time, you hear through the grapevine that someone’s herd had an unusually high number of open cows at fall preg check time.  That is when you wipe your brow and say “glad that didn’t happen to my herd”!   In some cases, the poor reproductive response is isolated to a particular pasture, bull or age/management group and the origin of the problem may be easier to find....

Bull buying guide

published: October 22nd 2018 source: University of Georgia

Fall sale season is now in full swing, and Georgia cattlemen have numerous options to choose from in the current bull market.  So, it seems logical to devote this article to a review of some of the basic principles of bull shopping....

Cows heat stressed after breeding may have unseen pregnancy losses

published: September 11th 2018 by: Duane Dailey source: University of Missouri Extension

COLUMBIA, Mo. – Prolonged heat stress this year may bring a smaller calf crop next year. Herd owners are seeing cows known to be pregnant coming back into heat to be rebred. Pregnancy losses are due to several reasons, says Scott Poock, University of Missouri Extension veterinarian....

Analyzying pregnancy diagnosis

published: September 6th 2018 by: Ky Pohler source: Texas A&M University

Pregnancy diagnosis. Producers need to find a method that works for them. When do cows experience pregnancy loss? 95% of time fertilization occurs. By day 28, pregnancy has dropped to 70%, a 25% loss of pregnancies....

Managing early pregnancies in heifer calves

published: August 24th 2018 by: Dr. Justin Rhinehart source: University of Tennessee Extension

The main objective in developing replacement heifers is to have them reach puberty well before the first breeding season. Having gone through several estrous cycles improves their chances of becoming pregnant in the first 20 days of that breeding season – on the first day if estrus synchronization and timed artificial insemination are used – and delivering a live calf in the first 30 days of their first calving season....

The value of pregnancy testing

published: August 10th 2018 by: Joe C. Paschal source: ICA of Texas

The last National Ani-mal Health Monitoring Survey conducted by USDA reported that only about 15% of U.S. beef cattle producers regularly pregnancy test their cows after the breeding season ends. Pregnancy testing is relatively inexpensive, identifies open or unbred cows, can increase the percent of weaned calves and increases profitability by removing unproductive cows....

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