There are three periods during the year that are most logical for routine breeding soundness evaluation of the bull battery. You do not want to bring in bulls that might carry contagious. It is also important to be sure the bull is free of disease, and this means knowing the history of the herd. What does breeding soundness examination mean in law. This second evaluation may explain a low calf crop percentage. Breeding soundness evaluation for beef and dairy bulls. A careful breeding soundness exam in conjunction with managing your mares body condition and using artificial lights to stimulate her to cycle earlier will allow you to maximize your chances of having a healthy, pregnant mare this spring. Breeding soundness evaluation of bulls by semen analysis. It is not unreasonable to expect a fully fertile stock bull running with fifty normally cycling, diseasefree cows to achieve a 90% pregnancy rate after a nine week. Mare breeding soundness exam university of wisconsin. New guidelines for breeding soundness evaluation bse of. A complete breeding soundness examination bse in dogs consists of a history, physical examination, semen evaluation, and testing for brucella canis. Definition of breeding soundness examination in the legal dictionary by free online english dictionary and encyclopedia. What to expect from a breeding soundness examination.
Just because the bull was fertile last year does not mean that he is fertile this year. It is done to know the libido, fertility status of bull and screening of various genital diseases. Since the assessment of the male animal for breeding soundness is an essential characteristic of the successful reproductive operation in modern dairy goat management programme, it has been demonstrated that reproductive performance is economically very important in small ruminant husbandry enterprises. The breeding soundness evaluation bse physical examination this part of the exam may be the most difficult to objectively assess. Failure to properly evaluate bulls prior to and during the breeding season can result in huge. One of the essential components of the bse is accurate semen evaluation. Pdf the objective of this study was to determine the causes of breeding soundness failure in rams using a. Breeding soundness examination of rams and bucks as599w defects, such. Pdf bull breeding soundness examination for better. Stallion breeding soundness exam equine insurance center. A breeding soundness evaluation bse is administered by a veterinarian and includes a physical examination feet, legs, eyes, teeth, flesh cover, scrotal size and shape, an internal and external examination of the reproductive tract. The breeding soundness evaluation bse is a method to evaluate the potential of a bull to be used as herds sire 1.
Breeding soundness examination legal definition of breeding. Breeding soundness examination of stallions management and. Breeding soundness examination 1 history 2 physical examination. Bull breeding soundness evaluation bse in is a procedure which reduces risk and improves strategic bull usage and herd fertility. The process by which stem cells develop into mature spermatozoa. Breeding soundness examination the free dictionary. Penis and prepuce appear normal and free of any sores, infection, tumors or injury. Bull breeding soundness exam visual observation conformation age of bull muscling body condition score bcs. Animal health fact sheet understanding bull breeding soundness exams clell v. Theriogenology has supplied leadership for developing, standardizing and improving a system for breeding soundness evaluation bse of bulls. The 3rd edition of the bull breeding soundness manual, written by dr. Increasing your lamb crop series testing rams for breeding.
If infertility is suggested from the history, it should be established that adequate breeding management was practiced and that bitches had normal fertility when bred to other dogs. A bull breeding soundness evaluation bse is a uniform method of. Garner department of animal biotechnology, university of nevada, reno p. Testing rams for breeding soundness introduction a breeding soundness examination bse is an overall assessment of a males potential ability to service and impregnate a given number of females during a given period of time.
Looking for online definition of breeding soundness examination in the medical dictionary. Breeding soundness examination of bulls merck veterinary manual. Controversy still exists about breeding soundness examinations bse and what they can and cannot do. The perfect bull breeding soundness exam vlog 216 duration.
Breeding soundness examination of rams management and. There was agreement in classification of fertile bulls using all three techniques, suggesting that the combined use of these techniques enhances routine breeding soundness examination. Breeding soundness examination of the stallion management. A breeding soundness evaluation does not evaluate a bulls libido, nor does it ensure that a bull will remain a satisfactory potential breeder the entire breeding season.
Learn about the veterinary topic of breeding soundness examination of bulls. A thorough examination of the male reproductive system follows the general health examination. All four legs and all joints should be clean and free from any swelling or. The breeding soundness examination should be performed in a stepwise fashion, making sure to include. Purdue extension knowledge to go 3 breeding soundness examination of rams and bucks as599w two methods exist to collect a semen sample. An annual breeding soundness examination of each bull is the only way to predict that the producers will get their moneys worth from the bull battery. It allows you to differentiate between the fertile rams and the sterile rams before you put them out with the ewes. Overview of breeding soundness examination of the male. The objective of this study was to evaluate the impact of ergot alkaloid consumption on growth, scrotal circumference sc, and semen quality. It is a pictureintime of the males reproductive potential. A bull breeding soundness examination carried out by your veterinary surgeon, aiming to identify individual infertile and subfertile bulls in advance of the breeding season, allows appropriate action to be taken and will frequently prove to be a very worthwhile investment. If one of those ewes fails it will not result in severe loss to the producer. General physical examination reproductive examination semen evaluation libidoserving capacity specific diagnostic tests classificationreport prevalence of infertility factors as % total population barth 2005 low serving capacity 15.
Breeding soundness definition of breeding soundness by. Bull breeding soundness evaluation manual the western. The testicles should be free moving within the scrotal sac. The breeding soundness examination should begin with a thorough reproductive and medical history, including information on previous cycles onset and regularity, breeding management past and intended, outcome of any breeding s, and relevant family history, as well as routine medical information diet, medications, environment, health status. Breeding soundness examination of the male llama and alpaca has become more formalized and better received by clients in recent years because of continuing education programs informing them of the importance and as more literature has documented reproductive pathology and infertility issues. Perform breeding soundness exams close to the time of breeding to ensure recovery from winter injuries, but enough time in advance of turnout to find new bulls if problems are identified. Although the term breeding soundness evaluation is commonly used worldwide to describe the process of examination of breeding bulls the terminology used in this guide will be that used in the bcva certificate namely prebreeding examination pbe the aim of a pbe is to try and identify.
If also requesting accident sickness and disease coverage, complete and attach stallion infertility ls 16 28. In bulls, assessment of libido is often not possible during a routine breeding soundness examination bse. The breeding soundness examination should begin with a thorough history, including information regarding libido, mating ability, number of mares bred, pregnancy rates, prior illness or injury, and any medications administered. The breeding soundness examination bse involves a complete and systematic evaluation of the reproductive potential of a given male, including mating ability and libido, general physical examination and inspection of the genital organs, and assessment of sperm production and quality. Although the term breeding soundness evaluation is commonly used worldwide to describe the process of examination of breeding bulls the terminology used in this guide will be that used in the bcva certificate namely pre breeding examination pbe the aim of a pbe is to try and identify. Find specific details on this topic and related topics from the msd vet manual. This animal has been examined for physical soundness and quality of semen only. The sc measurement and percentage of motile and normal sperm were used to determine if a bull passed the breeding soundness exam. Also see breeding soundness examination of the male.
There is nothing more devastating that having a ram mark ewes and then finding them all recycling. As per oie guidelines, the breeding bulls should be free from above mentioned diseases. These results confirm that examination of semen, in particular, evaluation of percent morphologically normal spermatozoa, should be included in the breeding soundness examination of bulls. In stallions on a breeding farm where semen or breeding is to be sold on this stallion, exams should be done on a routine yearly basis. One researcher explained that the purpose a breeding soundness exam is to determine the probability of a mare conceiving and carrying a foal, and determining the causes of sub or infertility. The evaluation of mating ability and libido is possible only when collecting semen via artificial vagina or manual stimulation in the presence of a female in estrus. The first question we should ask is why do a bull bse. Breeding soundness examination definition of breeding. Breeding soundness examination legal definition of. A good mature ram can breed more than 50 ewes in a season. Breeding soundness examination of the mare management and. Bulls presented for breeding soundness evaluation were assessed using all three techniques. Examination to the side of the bull, prepuce injuries, lymphomas, rear foot abnormalities, hernias, hock injuries. Meaning of breeding soundness examination medical term.
Learn about the veterinary topic of breeding soundness examination of stallions. Breeding soundness examination bse of male sheep and goats is a clinical evaluation of the potential for a male to impregnate a certain number of healthy females 50 females is a common standard during a defined breeding season typically in the fall in north america. Karyotying and testing for genetically transmitted diseases. An annual breeding soundness examination of each bull is the only way to predict that. New guidelines for breeding soundness evaluation bse of bulls. Breeding soundness examination of bulls management and. Understanding breeding soundness exams for mares the horse. There are three periods during the year that are most logical for routine breeding soundness. This exam should include more than just an evaluation of the reproductive tract, but also a complete history and physical examination of the mare. Bull breeding soundness examination louisiana state university. Apr 06, 2017 this is the first in a series of videos geared towards the first time breeder. To the best of my knowledge, the results of this evaluation indicate that the breeding capacity of this animal is. Breeding soundness examination of male dogs management. However, if possible, the bull should be observed serving cows to allow assessment of his desire to breed, ease of mounting, ability to achieve erection and extend the penis, and presence of penile deviation or other abnormalities that may prevent successful service.
Bull breeding soundness the breeding soundness evaluation bse is a relatively quick and economic procedure for screening bulls prior to sale or use. In the breeding soundness exam of the mare, the objective is to determine if the mare has a history of normal reproductive function, is cycling normally and has the ability to carry a pregnancy to term. Meaning of breeding soundness examination as a legal term. Pdf bull breeding soundness examination for better quality. Bull breeding soundness exam iowa state university. A bull breeding soundness evaluation bse is a uniform method of assessing a bulls likelihood of establishing pregnancy in an appropriate number of open, healthy, cycling cows or heifers in a defined breeding season. When erect, the penis doubles in length and thickness and the glans increases by 3 to 4 times. Brett kroeze breeding soundness exams bses are a very useful tool in todays sheep industry. Breeding soundness evaluation of beef bulls credits also to stephanie l bourgon. A bull breeding soundness evaluation system with greater. Find specific details on this topic and related topics from the merck vet manual. A summary of breeding soundness exams conducted on 5,800 bulls by north dakota veterinarians in 2014 revealed that the examination failure rate of mature.
This video covers the breeding soundness exam with dr. Bull breeding soundness evaluation bbse is a method ap. Box 1939, graeagle, ca 961031939 usa introduction the stated objective of a breeding soundness examination bse, as currently defined by the society for theriogenology sft, is to identify individual bulls possessing the potential of. Prior to introduction of new bulls for semen collection, breeding soundness examination shall also be carried out. It is economically important that all bulls are fertile.
Breeding soundness exams can reveal many potential. Breeding soundness examination of male dogs management and. This is the first in a series of videos geared towards the first time breeder. Breeding soundness evaluation for beef and dairy bulls fsa3046. A complete breeding soundness examination should be conducted before you purchase a mare for breeding or the breeding season.
New guidelines for breeding soundness evaluation bse of bulls bc2011 revised. The breeding soundness examination parameters were analyzed using chisquare tests, pearsons. Learn about the veterinary topic of breeding soundness examination of rams. First, bse is performed to identify bulls with reduced fertility not just to find those which are.
As bull contribute large number of progenies to the next generation as compared to females so determining the potential fertility of the bull is much more important than determining the fertility of any. The breeding and pregnancy testing sheets allow for 25 cows per sheet, so copies should be made for each additional 25 cows over the standard. Pdf a bull breeding soundness evaluation system with. However, if the one ram fails, the results could be devastating. Bull, breeding soundness, scrotal circumference, sperm. Find out information about breeding soundness examination. Breeding soundness evaluation university of arkansas.
Bull breeding soundness evaluation university of tennessee. This article describes the procedure for conducting a breeding soundness examination in the boar, including collection of a history, examination of the genitalia, semen collection and evaluation, and suggestions for culling criteria. A bull breeding soundness examination carried out by your veterinary surgeon, aiming to identify individual infertile and subfertile bulls in advance of the breeding season, allows appropriate action to be taken and will frequently prove to. Breeding soundness an overview sciencedirect topics. For a printer friendly version of this article click on the pdf file below.
Instead, a breeding soundness examination bse, based on assessments of sperm number, motility and morphological normality and of mating ability, is often carried out with the ostensible aim of. Breeding soundness examination article about breeding. Major changes in breeding soundness evaluation bse of bulls. Pdf the breeding soundness examination bse forecasts about bulls ability to get cows pregnant. At times they are not used because of a lack of understanding of their value while at other times they are used with unrealistic expectations. In 1983, the society for theriogenology published the manual for breeding soundness examination of bulls which used a numerical scoring system to place bulls in categories of satisfactory potential. Minimum standards for production of bovine frozen semen. Andrology of the bull spermatogenesis hormones breeding soundness. Sep 24, 2009 all beef bulls should have a breeding soundness examination prior to the breeding season. Satisfactory unsatisfactory questionable decision deferred comments. Evaluating the breeding soundness of beef bulls nmsu. Scott norman bvsc, phd, dipact, gced registered specialist. Craig burrell, phd, extension livestock specialist utah state university, logan ut 843225600 july 1997 ahbeef05 controversy still exists about breeding soundness examinations bse and what they can. The breeding soundness examination bse forecasts about bulls ability to get cows pregnant.
As 1755 bull breeding soundness examinations ndsu agriculture. Synonyms for breeding soundness examination in free thesaurus. Breeding soundness examination of bulls msd veterinary manual. If a bull suffers injury to its feet, legs, reproductive tract or other area, such an injury may render it incapable of breeding your cows. A complete breeding soundness examination includes examination of the external genitalia and mammary gland, palpation and ultrasonography per rectum of the internal genitalia, manual and visual vaginal examination vaginoscopy, aerobic culture of an endometrial swabsample, cytologic evaluation of an endometrial swabsample, and histologic.
652 1402 926 420 1492 522 1233 62 1179 939 1514 122 1433 726 1331 1276 335 231 767 839 397 822 902 321 1455 11 894 1281 888 667 1516 1455 1389 619 831 357 721 558 657 1419 805 343 1146 734