Hormones for Breeding
Article
Mares and Hormones
Estrous cycles and certain disease processes can affect mares' reproductive hormones.
Photo by Anne M. Eberhardt
Article
Suppressing Estrus in Mares
November 29, 2012
Most options can lessen the effects of estrus while still allowing mares a second career as a broodmare.... Read More
Article
Mares and Hormones
November 01, 2012
Estrous cycles and certain disease processes can affect mares' reproductive hormones.... Read More
Article
Hormone Therapy Might Prevent Equine Abortion
March 17, 2010
Veterinarians might be able to prevent abortions in some pregnant mares that show premature mammary development, Dietrich H. Volkmann, BVSc, MMedVet (Gyn), Dipl. ACT, told equine veterinarians at the 2010 Western Veterinary Conference, held Feb... Read More
Article
Hormones and Mare Conception Rates
February 22, 2010
Treatment with equine follicle-stimulating hormone (eFSH) does not increase healthy mares' conception rates, researchers recently reported. The hormone eFSH is used to stimulate donor mares' ovaries to increase the number of ... Read More
Article
Horse Transport, Housing Stress Reflected in Hormone Levels
June 29, 2009
Horse transport and housing has an effect on the animals' stress levels, according to Shannon Garey, a PhD candidate under the direction of Theodore Friend, PhD, PAS, Dipl. ACAABS, of Texas A&M. Garey presented results of an ongoing study on... Read More
Article
Hormone Therapy in the Mare, AAEP 2008
April 10, 2009
The discussion on hormone therapy in the mare followed a systematic progression through three broad areas: 1) hastening the onset of (ovarian) follicular activity and ovulation in winter anestrus (noncycling) mares; 2) synchronizing ovulation in cycl... Read More
Article
Reproductive Hormones Directly Influence Embryo Development
January 26, 2008
A group of Dutch researchers reported evidence that the equine conceptus (i.e., the embryo and associated membranes) might be directly responsive to the reproductive hormones progesterone and estrogen,... Read More
Article
Progesterone Test Makes Reproductive Management Less of a Nightmare
November 13, 2007
New research has revealed that a commercially available progesterone test is reliable and practical, and it can help veterinarians manage breeding mares more efficiently. According to researchers from the College of Veterinary Medicine at... Read More
Article
Inducing Ovulation With Recombinant Equine Luteinizing Hormone
July 29, 2007
Manipulating the estrous cycle in mares is a big part of many breeding operations, and medications play various roles in the process. There are several options for inducing ovulation, including human chorionic gonadotropin (hCG),... Read More
Article
Hormones to Treat Cryptorchids
July 08, 2007
While giving hormones to colts might seem like a method of self-destruction, there really is a reason for it in some cases--such as for cryptorchids. These colts have at least one testicle that hasn't descended into the scrotum; normally... Read More
Article
Hormone and Drug Use in the Stallion
February 01, 2007
Many hormone and drug treatments could have a negative impact on the endocrine system, so it's best to avoid using them altogether in the breeding stallion. However, Sue M. McDonnell, PhD, Certified AAB, of the University of Pennsylvania's School... Read More
Article
AAEP Convention 2004: Hormone Therapy in the Mare
February 14, 2005
This discussion at the 50th annual American Association of Equine Practitioners (AAEP) Convention in Denver, Colo., Dec. 4-8, 2004, was presided over by Patrick McCue, DVM, PhD, Dipl. ACT, associate professor of equine ambulatory medicine at... Read More
Article
Environment and Hormones
January 01, 2003
Some natural and man-made compounds in the environment can disrupt the delicate reproduction hormone balance in many species, possibly including horses. Her suggestion was that although this cause of reproductive dysfunction had not been studied in h... Read More
Article
Environmental Effects on Hormone Activity
October 31, 2002
Some compounds present in the environment, both from natural and man-made sources, can disrupt the delicate hormone balance necessary for reproduction in several species possibly including horses, according to Cynthia Corbitt Gulledge, PhD, of... Read More
Article
Synthetic Estrogen Drug Receives FDA Approval In 1.25mg Strength
March 01, 2000
Duramed Pharmaceuticals announced March 13 that the United States Food and Drug Administration (FDA) has approved the company's supplemental new drug application for Cenestin tablets in the 1.25 mg dosage strength. Cenestin,... Read More
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