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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.

Opportunities for open cows

published: October 6th 2017 by: Taylor Grussing

  It’s that time of year when driving along the countryside or sitting in the sale barn cows start to show up with an “O” drawn on her side as the veterinarian called her open on pregnancy check day....

Impact of early weaning on replacement heifers

published: September 27th 2017 by: Robin Salverson source: IGrow

Early weaning calves has been a common practice this year to manage through the drought. However, how does early weaning affect the heifers meant for replacements? Several research projects indicate that early weaning does not impact a heifer’s opportunity to be retained as a replacement in the herd....

Preweaning calf management

published: September 8th 2017 by: Joe C. Paschal

The concept of a “value added calf” or “VAC” program is not new today, but in the late 1980s it was thought to have little value in most circles. Dr. Randall Grooms, a beef cattle specialist in Overton with the Texas Agricultural Exten-sion Service (as it was then called), came up with the “Texas Value Added Calf” or TEX VAC Program....

Advantages of Early Pregnancy Diagnosis of Yearling Heifers

published: July 12th 2017 by: By Aaron Berger source: Nebraska Extension

The middle of summer is not the time when many cattle producers think about pregnancy testing. However, for producers that have yearling heifers that were bred early this spring, many of those heifers are far enough along to be pregnancy tested....

Investing in the future, heifer development for longevity

published: June 14th 2017 by: Dr. Justin Rhinehart source: BIF 2017

    A step by step guide for heifer development: Breed early in the first breeding season Minimize calving difficulties Wean acceptable calves Breed early in the second breeding season Optimize profit Improve genetics In our nutritional development, we can have steady growth, fast early growth then plateau, slow early growth and fast late growth....

Keeping cows bred

published: June 2nd 2017 by: Justin Rhinehart source: Tennessee Extension

There’s been a lot of discussion about concentrating your breeding season and how much value that adds to your calf crop each year. But, getting cows bred is only part of the story. Keeping them bred, especially through the summer months, also takes attention to detail....

Economic Impact of Estrus Synchronization and Artificial Insemination

published: June 1st 2017 by: Dr. Justin Rhinehart source: BIF 2017

    Why don't more producers use estrus synchronization and AI? Labor/Time 39% Cost 17% Too Complicated 17% Lack of facilities 11% Other 14% Does not work 2% The cost per pregnancy for a bull costs between $60 and $75 depending on pregnancy rate....

The first calf heifer conundrum

published: May 9th 2017 by: Dr. Jason Smith Assistant Professor, UT source: University of Tennessee Beef Cattle Extension

First-calf heifers.  Let’s face it – we all struggle with them at least to some degree.  And it’s an issue that we face not just here in Tennessee, but across the entire country....

82 Days To Pregnancy

published: May 5th 2017 by: Kris Ringwall source: University of North Dakota Extension

Are the cows ready to breed? Assuming a 283-day gestation, if the cow that calved on April 1 wants to maintain her position as the first cow to calve on April 1, she only has 82 days to recoup from calving, start lactating and be cycling the day the bulls arrive in the pasture....

Examining Calf Mortality

published: April 28th 2017 by: Kris Ringwall source: University of North Dakota Extension

A good goal for calving success is to have 97 percent of all calves that are born walk into the weaning pens this fall. This can be achieved, although not easily, through appropriate management, working with the environment and a good interaction with industry professionals, including an appropriate health, nutrition and genetic program....

Moving late calving cows up in the breeding season

published: April 21st 2017 by: Bethany Johnston and Jay Jenkins source: Nebraska Extension Beef Educators

As the end of the calving season nears for many cattlemen, the last few cows in the heavy pen seem to last forever. Those late calvers are doing more than dragging out the calving season. They are costing you money....

On track?

published: April 18th 2017 by: Steve Suther source: Certified Angus Beef

Biology says it takes two years from the day you breed cows till their calves can be harvested for beef or join the breeding herd to calve as two-year-olds. Decisions before, after and during any two-year span can make a big difference....

Priorities When Starting an Artificial Insemination Program

published: April 14th 2017 by: Evan Whitley source: Noble Foundation

The Noble Foundation owns and operates approximately 14,000 acres that spans seven ranches and three counties. These properties are used in various ways including conducting applied research and demonstration as well as providing a venue for educational and training events....

To estrus detect or not was the question

published: April 13th 2017 by: By B. T. Tibbitts, T. L. Meyer, D. J. Ke source: University of Nebraska Extensi

  This study evaluated how a fixed-time AI (FTAI) protocol versus a modified estrus detection with fixed time AI (MTAI) protocol affected AI and final pregnancy rates. Reproductive technologies such as estrus synchronization and AI have limited adoption in the beef industry, partially due to added labor....

Bull management is a key to successful breeding seasons

published: April 7th 2017 by: Adam Russell

OVERTON – Bull management before and during breeding season can improve producers’ chan-ces for reproductive success, said a Texas A&M AgriLife Extension Service expert. Dr. Jason Banta, Agri Life Extension beef cattle specialist, Overton, said it’s important to make sure bulls are ready and in good condition heading into breeding season....

Finding females for the cowherd

published: March 30th 2017 by: Taylor Grussing source: IGrow

Finding females for the cowherd to either replace cull cows or increase herd size can be done in many ways, explained Taylor Grussing, SDSU Extension Cow/Calf Field Specialist. "At the end of the day, profitability begins with a live calf....

Preparing for calving: Are you ready for the most stressful time of year?

published: February 21st 2017 by: Kevin Gould source: Michigan State University Extension

Calving is hands-down the most stressful time year of for the cow-calf operator. Challenging environmental conditions, increased cattle nutritional requirements and lack of sleep can lead to producers not being fully prepared....

Gestation Length: Calves Arrive Sooner Than They Used To

published: February 15th 2017 by: Dr. Justin Rhinehart source: University of Tennessee Beef Cattle Extension

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....

Making great cows-strategic replacement female selection

published: January 27th 2017 by: Bob Weaber source: K-State University

Although the recent fall in calf prices may require cow-calf producers to sell more heifer calves than planned and forgo herd expansion, many producers will still keep a significant percentage of replacement females in order to maintain herd inventory....

Three refreshers for your replacement heifers

published: January 27th 2017

It’s no secret that replacement heifers are some of the most valuable animals in your herd; however, value goes hand in hand with vulnerability. With recent record-high costs to develop replacement females, it may be time to consider a refresh on your replacement heifer program....

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