Pregnant sow reproductive tract dissection youtube. Sporadic microbiologic causes include miscellaneous bacterial infections. Choosing for farrowing rate, litter size, and lactation quality from your. The major reproductive organs of the male can be grouped into three categories. This connection is called the spermatic cord and passes through a small opening of the abdominal wall called the inguinal canal figure 2.
The physical layout and physiological specifics of the female reproductive anatomy in the swine species. Evaluation using the numbered diagram, fill in the name of the reproductive part of the boar on the blank provided. Using commercially available hormones to enhance swine. Pdf swine production, productivity and breeding practices. The primary direct function of the male reproductive system is to provide the male gamete or spermatozoa for fertilization of the ovum. Provide an environment for the growth and nourishment of the developing fetus after fertilization. Production calendars for most swine farms are based upon the reproductive cycle of sows and gilts. Female reproductive system ans 215 physiology and anatomy of domesticated animals i. Embryo transfer in the pig is the process of moving developed embryos from the reproductive tract of one animal to a recipient female and placing these into the uterus of a female slightly less advanced 1224 h relative the embryos. Pigs infected with serovars pomona and bratislava can become chronic renal carriers.
Winner of the standing ovation award for best powerpoint templates from presentations magazine. Chapters on canine, equine, cow, pig, frog, and mouse models of reproduction reflect frontier research in placental biology, ovarian function and. The male reproductive tract is supported by the pelvis, and is housed internally in the abdomen and outside the abdominal cavity in the. The primary function of the human reproductive system is to produce sex cells. The hypothalamuspituitary gonadal axis the reproductive function in these animals is governed by the hpg axis, a complex neuroendocrine system. The closedherd concept, which emphasizes preventive medicine strategies along with herd protection, minimizes the risk of. Ppt swine reproductive anatomy powerpoint presentation. Animal reproductive structures and functions biology 1520. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Divergent selection for an index of reproductive components in swine. October 8, 1998 his production tool provides practical guidelines for pharmacological intervention in swine reproduction and cites references to illustrate potential. Apr 17, 2018 common lesion of the reproductive tract of swine. Female reproductive system an overview sciencedirect topics.
The testes are connected to the internal components of the male reproductive system by a cordlike attachment. Parts of the reproductive system the reproductive system of the female is very different from that of the male of the same species. Quizlet flashcards, activities and games help you improve your grades. Development of teaching materials for 1 general reproductive physiology courses utilizing the pig as a model, 2 swine production courses, and 3 industry short coursemodules related to topics in swine reproduction. Male reproductive anatomy of swine by cassie boggs on prezi. In the male reproductive system, the scrotum houses the testicles or testes singular. October 8, 1998 his production tool provides practical guidelines for pharmacological int erven tion in swine reproduction and cites references to illustrate potential outcomes. Supplies copies of handout 1 beef reproductive systems. Swine reproductive physiology west virginia university.
A 19week duration of immunity against reproductive disease has been demonstrated in swine vaccinated prebreeding. Suggested guidelines for boar usage based on breeding program a. Diseases of the reproductive system swine study guide by mille523 includes 265 questions covering vocabulary, terms and more. Bill silvia dissects a pregnant sows reproductive tract. Overview of the reproductive system boundless anatomy. Reproductive success can be achieved by a number of different methods. If sows are weaned in groups, a boartosow ratio of 1. Female reproductive system an overview sciencedirect. Jul 22, 2015 bill silvia dissects a pregnant sows reproductive tract. This content is taken from our book, managing pig health, the industry leading pig publication. Knox swine reproductive extension specialist department of animal sciences university of illinois introduction the reproductive efficiency of the breeding herd depends upon the fertility of the boar. Animal models and human reproduction presents a comprehensive reference that reflects the latest scientific research being done in human reproductive biology utilizing domestic animal models.
The use of commercially available hormones to synchronize estrus in this system has not been extensively studied. Nothing reported what opportunities for training and. Visualizing the reproductive tract of the female pig using real. Most of the embryos for transfer result from superovulation and timed ovulations and matings.
The establishment of collaborations in areas of boar or sowgilt reproductive performance. In sexual reproduction, two individuals produce offspring that have some of the genetic characteristics of both parents. When using natural service, a boartosow ratio of 1. The male pigs reproductive system is comprised of the testes, the epidiymes, the ampullae and the seminal vesicles, all of which are paired. Under the control of endocrine system, these organs are engaged in the reproductive cycle of ovulation, fertilization, implantation, fetal growth, and parturition. Terminology abortion the production of a premature nonviable litter. Ag science i introduction to animal reproduction male reproductive system page 1 of 7 course agricultural science i unit introduction to animal reproduction lesson male reproductive system estimated time 50 minutes student outcome explain the purpose of male reproductive parts and hormones. The reproductive efficiency of the breeding herd depends upon the fertility of the boar. Diseases of the reproductive system diseases of swine. Communications contact us interactive map leadership and organization. Abortion the production of a premature nonviable litter, 111 days or less after.
Advanced reproductive technologies swine reproduction. Name this black bodied pig that has six white points, including their nose, tail and feet. Reproductive system this section contains both key reproductive issues, like abortion or boar infertility, as well as diseases which have an effect on the reproductive system. Estrus normally occurs spontaneously in gilts and mature females that are not pregnant or lactating. Male fertility is essential since the boars dna is the primary mechanism through. Ncera57 provides a mechanism for a diverse group of researchers, educators and extension specialists, all involved in swine reproductive physiology, to meet on an annual basis and discuss each stations current research and its implications for the industry, teaching, extension and scientific advancement. For vaccination of healthy, susceptible swine in prrs viruspositive herds as an aid in preventing reproductive and respiratory diseases caused by prrs virus. Mycotoxins in feed are anecdotally reported but not proven. Animal models and human reproduction wiley online books. Abortion in pigs reproductive system veterinary manual. Swine reproductive physiology university of missouri. Name this white pig with long droopy ears and that is known for its mothering ability a. Fundamentals and new biotechnological trends links the past, the present and the emerging scientific research fields on reproductive biotechnology, offering a rigorous but easy to follow compilation of topics, from old favorites to the latest advances. Swine reproductive data management software iowa pork industry center iowa state university 109 kildee hall iowa state university ames, ia 50011 address correction required.
The diagnostic procedure addressing herd fertility problems is comprehensive and must include a critical assessment of the tripartite contributors to herd reproductive performance. The testes are the primary organs of reproduction in the male pig and they are responsible for producing hormones and. Easy data entry data entry is done through an easy drop down menu based system. Adding new sows is very easy and adding or editing reproductive events is done in full view. This chapter will explore the reproductive organs of the fetal pig. Male testis epididymis female ovary oviduct uterus respiratory system. The female reproductive system in marine mammals is composed of the basic mammalian reproductive organs. Male fertility is essential since the boars dna is the primary mechanism through which genetic improvements can efficiently be accomplished. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The male pig s reproductive system is comprised of the testes, the epidiymes, the ampullae and the seminal vesicles, all of which are paired. In this picture, forceps are suspending the bilateral horns of the uterus solid yellow rectangle, which merge distally to form the main body of the uterus fertilized eggs travel from the oviducts into the uterus for implantation.
Three specific areas are identified under this objective. When a male and female sex cell unite, an offspring grows and develops. These norms may vary from operation to operation and are based on such things as percentage of animals cycling, conception and farrowing rates, average litter size and number. Management of commercial swine breeding herds involves a thorough understanding of reproductive physiology, genetics, nutrition, immunology, disease control, environment, and other factors. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. October 8, 1998 his production tool provides practical guidelines for pharmacological intervention in swine reproduction and cites references to illustrate potential outcomes. The key reproductive event that determines when females begin their reproductive cycles is the onset of estrus. Virtual fetal pig dissection anatomical references. Some reproductive failure occurs in all swine breeding operations, but for practical purposes reproductive failure is regarded significant only when production levels fall below the expected norm.
The human male reproductive system is a series of organs located outside of the body and around the pelvic region. The human reproductive system and the ability to reproduce make life possible. The usual complaints concerning reproductive problems. Recent articles 2007 north american boar stud survey results. Now with full color images throughout, this comprehensive and authoritative.
The boar reproductive system consists of six different structures testes, epididymis, deferent ducts, urethra, accessory sex glands, and penis and the main function is the production and the. This new edition has been completely revised to include the latest information, developments, and research in the field. Gross anatomy of the female reproductive organs of. Bishop sampson community college introduction although there are a few distinguishable diseases that impact the reproductive system, the impacts of many challenges, not necessarily thought of as a disease, impact reproductive performance of sows and gilts. Although acute leptospirosis occurs in adult swine, most cases are asymptomatic. The zygote develops into a fetus within the uterus. The external parts of the female reproductive tract are the clitoris and the vulva. And when selecting from a terminal line, you may select for average daily gain, feed efficiency, and meat quality. The study was undertaken to characterize breed features, reproductive performance, breeding practice, breed selection criteria and herd replacement in ethiopian swine production systems. Leptospira interrogans especially serovar pomona is a major cause of reproductive failure in swine infertility, abortion, stillbirths, and the birth of weak piglets. Breeding management in pigs merck veterinary manual. Pigswineporcine, genital tract reproductive tractvagina cervixuterusuterine body uterine hornfallopian tubes, immunologyimmune. Youth will learn what the major female and male reproductive structures are and functions in beef, sheep, swine and goat. The use of commercially available hormones to synchronize estrus.
The reproductive system of the cow can therefore be used as a general example. In addition there is the prostate gland, the bulbourethral glands and the penis. Nov 05, 2003 the reproductive efficiency of the breeding herd depends upon the fertility of the boar. Other less likely causes of reproductive failure include influenza, inclusion body rhinitis, classical swine fever, african swine fever, japanese b encephalitis, and virulent enteroviral infections. These norms may vary from operation to operation and are based on such things as percentage of animals cycling, conception and farrowing rates, average litter size and number of pigs produced per sow. Troubleshooting swine reproduction failure pork information. Project methods the objective is to improve reproductive efficiency in swine production.
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