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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.
Management Tools Improve Herd Fertility
published: March 5th 2010 by: Tim Hearden source: Capital Press
COTTONWOOD, Calif. -- A few simple management tools can help ranchers maximize the fertility of their bull and cow herds, experts advise. For instance, removing a calf from its mother for a couple of days has been shown to be effective at helping her begin estrus, said Les Anderson, a beef cattle specialist from the University of Kentucky....
Manage Calving Season For Optimal Results
published: January 29th 2010 by: Jerry Little source: AMNews.com
Providing sound management during the calving season can mean more live calves. Excessive losses can mean the difference between a year’s profit or loss for a beef producer. It is important to have a short calving period to allow frequent observation and assistance if needed....
Impact Of Infertility
published: December 16th 2009 by: G. Cliff Lamb, Darl Dahlen, and Mary Mad source: University of Florida
Beef producers need cows to become pregnant, deliver healthy calves, and wean productive calves to make their operations viable. The failure of breeding females to become pregnant directly impacts the economic viability of every beef operation, yet few producers realize how infertility impacts their individual operations....
Know Body Condition Scores For Reproductive Performance
published: December 1st 2009 source: Eli Lilly
Cow-calf operators constantly struggle to find the right balance between optimal body condition scores — which improve conception rates — and keeping feed costs as low as possible. Research has shown the body condition of cows at breeding and calving plays a major role in the length of the postpartum interval and conception rates....
Observe Bulls In First Part Of Breeding Season
published: November 11th 2009 by: Glenn Selk source: Oklahoma State University Extension
The fall breeding season is about to begin. Herds that aim for a September 1 first calving date, will turn bulls with the cows in the latter part of November. A good manager keeps an eye on his bulls during the breeding season to make sure that they are getting the cows bred....
Care Of Newborn Calf
published: October 23rd 2009 by: Glenn Selk source: Oklahoma State University Extension
Delayed passage through the birth canal in the face of a faltering placenta compromises oxygenation of the calf....
Sort Heifers From Cows
published: October 19th 2009 by: Glenn Selk source: Oklahoma State University Extension
First calf heifers have historically been the toughest females on the ranch to get rebred. They are being asked to continue to grow, produce milk, repair the reproductive tract, and have enough stored body energy (fat) to return to heat cycles in a short time frame....
Bulls And BioSecurity
published: October 13th 2009 source: beefcattlesite.com
The purchase of a bull is one of the commonest ways in which disease enters farms. Too many farms think they are closed but buy bulls. A bull is as likely to be infected with an important disease as a cow and, because of the close contact during mating, far more likely to spread it....
Try Preg Testing Sooner
published: October 6th 2009 by: Sara Brown source: Beef Today
Dairy producers preg test cows all the time. Why should cattle producers patiently wait until the cow exhibits signs of being in heat? Every day your cow isn’t bred is a day of loss. If the vet can’t (or in some cases won’t) visit the farm, consider pulling your own blood tests to find those empty cows....
Cow To Bull Ratios For Commercial Herds
published: September 26th 2009 by: Glenn Selk source: Oklahoma State University Extension
The three major goals of any breeding season should be to: get the cows settled as early in the breeding season as possible; get them bred to the bulls with the highest possible genetic worth; and achieve both as economically as possible, by getting the cows bred with the fewest possible bulls....
Retained Placentas Problem For Beef Cattle
published: September 15th 2009 by: John Maas, DVM source: UC Davis Extension Veterinarian
The placenta (or afterbirth) is the name given to the membranes that transfer nutrients from the cow to the calf before the calf (fetus) is born. These membranes and blood vessels are made by the calf and connect to the blood supply in the uterus of the cow or heifer....
Buying Vs Raising Replacements
published: September 4th 2009 by: Glenn Selk source: Oklahoma State University Extension
Dr. Dillon Feuz, University of Nebraska Agricultural Economist at the Panhandle Research Station recently addressed the issue of raising versus buying replacement heifers. He carefully examined the costs of raising replacements and correctly included the value of increased carrying capacity of the operation, if replacements are purchased....
Birth Weights and Calving Seasons
published: August 26th 2009 by: Glenn Selk source: Oklahoma State University Extension
Occasionally coffee shop wisdom can lead a cow/calf producer to a wrong conclusion. Such is the case with the situation of birth weights that can be expected of fall calving cows. The spring calving cows that have lost condition throughout the winter are nearly always thinner in February and March, than their counterparts that calve in September and October....
Tips To Improve Reproductive Efficiency In The Heat
published: June 18th 2009 source: Select Sires
While decreased production and weight gain often are immediate side effects of summer heat, decreased reproductive performance is another outcome that can cause long-term economic losses for dairy producers....
Shortened Breeding Season Has Many Advantages
published: June 16th 2009 by: Justin Sexton source: Illinois Beef Extension
As the transition from calving to breeding season begins, beef producers should consider both the start and ending dates of the breeding season since utilizing a controlled breeding season offers several management advantages....
Considerations For Making AI Work In Commercial Herd
published: June 15th 2009 by: Kyle Stutts source: Noble Foundation
Artificial insemination (AI) is one of the most effective tools available to enhance the productivity and profitability of beef cattle production systems. Even though this tool has been commercially available for more than 65 years, it is still dramatically underused in today's beef herds....
The value of carcass ultrasound in heifers
published: June 12th 2009
The beef trade press has done a tremendous job of polling and listening to bull buyers across the land. Seedstock producers have a much better idea of what will get them to nod their head at an auction than a decade ago....
Predicting Bull Fertility
published: June 4th 2009 by: W. Dee Whittier and Thomas Bailey source: Virginia-Maryland Regional College of Veterinary Medicine, Virginia Tech
Reproductive efficiency is a major determinant of cow-calf profitability. The bull's contribution to pregnancy rates is often overlooked. Breeding a large number of cows in a short breeding season requires fertile bulls....
Infertility Impacts Economics Of Beef Cattle
published: May 9th 2009 by: G. Cliff Lamb, Darl Dahlen, and Mary Mad source: University of Florida
The failure of breeding females to become pregnant directly impacts the economic viability of every beef operation, yet few producers realize how infertility impacts their individual operations. Infertile beef cows and heifers can fall into three primary groups: 1) cows that fail to become pregnant during the breeding season (usually 60 to 120 days); 2) cows that become pregnant but fail to calve; and 3) cows that become pregnant late in the breeding season....
Managing Yearling Bulls
published: April 6th 2009 by: Twig Marston source: Kansas State University
Yearling bulls represent a large commitment to beef operations. Besides their purchase price, they are the future genetic material of the herd that can influence several generations of stock. Because yearlings still have a significant amount of growth and development ahead of them, they require a higher level of care and management than their older counterparts....
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