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Friday, May 1, 2020 | History

2 edition of Superovulation following pseudopregnancy in the rabbit. found in the catalog.

Superovulation following pseudopregnancy in the rabbit.

John James Thomsen

Superovulation following pseudopregnancy in the rabbit.

  • 8 Want to read
  • 24 Currently reading

Published .
Written in English

    Subjects:
  • Rabbits -- Physiology.,
  • Ovulation.,
  • Pregnancy.

  • The Physical Object
    Paginationvi, 22 l.
    Number of Pages22
    ID Numbers
    Open LibraryOL16719382M


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Superovulation following pseudopregnancy in the rabbit. by John James Thomsen Download PDF EPUB FB2

Anderson TL, Hoffman LH. Alterations in epithelial glycocalyx of rabbit uteri during early pseudopregnancy and pregnancy, and following ovariectomy. Am J Anat. Nov; Superovulation following pseudopregnancy in the rabbit.

book Classen-Linke I, Denker HW, Winterhager E. Apical plasma membrane-bound enzymes of rabbit Cited by: Chronic pseudopregnancy has concomitant medical complications such as endometriosis, pyometra, hydrometra, uterine adenocarcinoma and mastitis.

In domesticated rabbits, pseudopregnancy may resolve spontaneously, but often recurs following successive estrus periods. Pseudopregnancy is common in rabbits and can follow a variety of stimuli, including mounting by other does, sterile matings by bucks, administration of luteinizing hormone, or the presence of bucks nearby.

In such circumstances, ovulation is followed by a persistent corpus luteum that lasts 15–17 days. superovulation treatment on ovulatory response and quality of embryos between New Zealand White (NZW) and Soviet Chinchilla (SC) rabbits, which are being considered the best breeds for meat production in India.

Materials and Methods Twenty-four healthy rabbit does of two breeds, viz. NZW Superovulation following pseudopregnancy in the rabbit. book and SC (12), in the age group of Author: S Satheshkumar. The present study was carried out to estiblish an effective method for the production of large number of fertilized eggs in the rabbit.

Three hundred and ten mature Japanese White rabbits (kg) were used to induce superovulation following the procedured indicated in Fig. Urine was collected daily from 15 rabbits for 20 days before mating and throughout subsequent apparent pregnancy although only 8 became pregnant.

After mating pregnant rabbits showed an initial decrease in Na in urine with a sharp increase on day 4, after which there was a gradual decrease to below control values until the last week of pregnancy when values were : I.

Lloyd, Kathleen Muiruri, D. Horrobin, P. Superovulation following pseudopregnancy in the rabbit. book, A. Matharu, P. Syal. Superovulation following pseudopregnancy in the rabbit. book superovulation treatments in rabbit does induce a immune response and have a negative effect on ovulation rate.

Although anti-FSH antibodies induce a decrease in superovulation response, the ovulation rate of females superovulated twice, three and.

Satoh K, Kawai Y, Mitsuhashi N, Kinoshita K, Sakamoto S: Prostaglandin F 2α metabolites in plasma and urine during pseudopregnancy in the rabbit. Am J Obstet Gynecol ; Google Scholar Cited by: 1. To optimise the use of juvenile in vitro embryo transfer technologies in young rabbit females, superovulation was performed in New Zealand White young rabbit females at different ages and the expression mode of follicle-stimulating hormone receptor (FSHR) was explored using real-time quantitative polymerase chain reaction, and in vitro maturation (IVM) together with fertilisation (IVF) was conducted immediately after by: 1.

Popular Articles (12 months)»Rabbit haemorrhagic disease: experimental study of a recent highly pathogenic GI.2/RHDV2/b strain and evaluation of vaccine efficacy views since: »Children's consumption of rabbit meat views since: »Effects of replacement of alfalfa by big-leaf mulberry on growth performance, digestion and meat quality in growing rabbitsCited by: 5.

Primary ART techniques, including superovulation, in vitro fertilization (IVF), and oocyte in vitro maturation (IVM), Superovulation following pseudopregnancy in the rabbit.

book analyzed in this study of the effects of ART on embryo quality and Grb Fee AR, Parkes AS. Studies on ovulation: I. The relation of the anterior pituitary body to ovulation in the rabbit. J Physiol. Jul 25; 67 (4)– [PMC free article] Hill M, Parkes AS.

Studies on ovulation: IV. Induction of ovulation in the hypophysectomized rabbit Cited by: There is continuing need to simplify bovine superovulation protocols without compromising embryo production. The control of follicular wave emergence and ovulation has facilitated donor management, but the most commonly used treatment, oestradiol, cannot be used in many parts of the world and mechanical removal of the dominant follicle is difficult to apply in the field.

Other alternatives Cited by: This study examined primary defects and related mechanisms leading to impaired fertility following superovulation with exogenous gonadotropin. Experiments Superovulation following pseudopregnancy in the rabbit.

book designed to address the ovulatory response, oocyte quality (gross morphology and nuclear maturation) and embryo development with reference to ovarian steroid and circulating LH levels in immature rats treated with 4, 20 or 40 IU. Factors controlling the life-span of the corpora lutea in the pseudopregnant rabbit.

The life-span of corpora lutea (cl) of varying ages within the one rabbit was studied by an experimental procedure in which 2-day-old cl removed from donor rabbits were transferred beneath the kidney capsule of recipient rabbits.

Progesterone receptor (PR) plays an important role in mammals pregnancy which is characterized by greater progesterone plasma concentrations. We assessed PR protein distribution in the rabbit uterus by immunohistochemistry in two progestational conditions: pseudopregnancy (intact adult animals treated with hCG) and after application of a synthetic progestin, medroxyprogesterone acetate (MPA Cited by: 2.

Superovulation, also known as controlled ovarian hyperstimulation, is the process of inducing a woman to release more than one egg in a month. It is different from ovulation induction, where the goal is to release one egg a month. Women with open fallopian tubes and whose partners have adequate sperm counts are candidates for superovulation.

Superovulation is a technique used in female swine to dramatically increase the number of eggs ovulated at any estrus. This can include at pubertal estrus, the next estrus in a cyclic gilt or sow, or at post-weaning estrus in sows. This procedure is simple and requires an.

The rabbit is among those species in which the placenta secretes low or physiologically insignificant quantities of progesterone, and therefore, the corpora lutea must remain steroidogenically active throughout gestation (Hilliard, ; Thau and Lanman, ).Cited by: 2.

They are useful in treatment of pseudopregnancy in dogs (bromocryptine at 10 mcg/kg, PO, for 10 days, or at 30 mcg/kg for 16 days) and as an adjunct to PGF 2α in terminating pregnancy, although not approved in the USA for this use.

Prolactin is luteotrophic in some species, including dogs. A possible bias in these results due to variation of relative uterine weight with body weight was avoided, as was the possible effect of ivity of uterine segments to acetylcholine was more frequent among the nipple-ligated than the control animals; but this sensitivity was not obviously associated with high individual Author: E.

Höhn. development and viability of either 2- or 4-cell eggs or late morulae following their transfer for limited periods to the oviducts of rabbits in different, well-defined endocrine states. The fate of 60 h morulae transferred to the oviduct on the 11th day of pseudopregnancy has been described recently (Adams, ).

MATERIALS AND METHODS. Superovulation with Exogenous Hormones • Pregnant Mare Serum Gonadotropin (PMSG) – Acts like follicle stimulating hormone (FSH) – Induces follicular development – After 48 hours, follicles begin to degrade • Human Chorionic Gonadotropin (hCG) – Acts like luteinizing hormone (LH) – Induces ovulation ~12 hrs post hCGFile Size: 2MB.

Rabbit (Oryctolagus cuniculus) is a livestock species reared either for the production of hair, skin or meat [] or as an experimental reference for other species, such as pigs or humans [].In rabbit meat production, litter size is an important economic trait [3, 4], and has been the objective in selection programs [].Litter size components are ovulation rate, fertilisation rate and prenatal Cited by: 1.

RECENT ADVANCES IN RABBIT SCIENCES Edited by L. Maertens and P. Coudert This book is the result of the COST cooperation Action between rabbit scientists of 14 different countries.

The purpose to cover the latest advances in rabbit science has been achieved in this comprehensive Size: 6MB. In rabbits, coitus has been reported to be the main factor in inducing ovulation.

1 Authors of an early study 2 reported that artificial insemination followed by sterile mating resulted in a higher pregnancy rate than artificial insemination alone (20/22 [91%] versus 1/28 [4%]). However, authors of a later study concluded that mechanical stimulus of the penis may not be the main stimulus for Cited by: of the following: superovulation and insemination of donors, collection of embryos, isolation, evaluation and short­term storage of embryos, micro­ manipulation and genetic testing of embryos, freezing of embryos and embryo transfer.

Embryo transfer in cattle has. 11 Reproduction Franklin H. Bronson, Charles P. Dagg, and George D. Snell. This chapter is a partial revision of a chapter in Biology of the Laboratory Mouse(Snell, ).A few of the previously published sections — sexual maturity, estrous cycle, mating, and gestation — have been rewritten.

Start studying Mice & Rat Bible Questions. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Search. Dutch rabbit. C: BALB/C mouse. You want to do monogamous, nonintensive, timed breeding on mice. Females go into pseudopregnancy without being bred. D: Females that are bred at the postpartum estrus have an.

ovulation in the adult rabbit and that the optimum dosage is approximately (S.R.U.) when administered as described. SUYIMARY. A technique of induced superovulation in the adult rabbit, using the comme preparation Synapoidin, is described and discussed, together with some observat on the effect of the hormones Serogan and Gonan on the : Wharton B.

Mather. Email your librarian or administrator to recommend adding this book to your organisation's collection. Textbook of Clinical Embryology Pregnancy following intrauterine implantation of an embryo obtained by in vitro Control of the sex ratio at full term in the rabbit by transferring sexed blastocysts.

Natureno. ( Author: Jacques Cohen. Superovulation Early pregnancy and pseudopregnancy Artificial decidualization Measurement of vascular permeability of rat implantation sites Treatments with COX-2 inhibitors Immunohistochemistry Statistical Analysis 4. Results Effects of COX-2. The most common tumor in the female rabbit is the uterine carcinoma [2,7,8].In the past, most domestic rabbits constituted laboratory and meat rabbits, and spontaneous mammary tumors were considered as rare [].Today, however, these tumors seem to be diagnosed quite frequently in pet animals [10,11].Baum and Hewicker-Trautwein [] reported that mammary tumors constituted about 20% of the samples Author: Sandra Schöniger, Sophie Degner, Bharat Jasani, Heinz Adolf Schoon.

Rabbit, ferret, cat. T/F: Calcium waves originate where the oocyte meiotic spindle is located. In cattle, offspring produced by IVF procedures are identical to those produced through superovulation and embryo recovery from donor females. False. T/F: In cattle, conceptuses procedures are identical to those produced through superovulation and.

LH and FSH profiles at superovulation and embryo production in the cow Theriogenology, Vol. 23, No. 3 Formation of cyclic adenosine monophosphate (cAMP) in the preovulatory rabbit follicle: Role of prostaglandins and steroidsCited by: Introduction: The art of embryo transfer (ET) is an ever changing science that involves three major events.

It begins with selection, superovulation, and artificial insemination (A.I.) or natural breeding of the donor animal. Next, the embryos are recovered from the donor through either surgical or nonsurgical means, evaluated, and then frozen or transferred fresh.

checked the following morning for copulation plugs; the embryos were collected days later. Responses to the superovulation protocols varied depending on the mouse strain5,28 and the female donor’s age When female mice exceeded the optimal age for superovulation, a lower ovulatory response was observed; the standard protocol.

havior ofthe rabbit egg in situ and in vitro []. These studies led him to feel that parthenogenesis would be feasible with a rabbit egg. Pincus's choice of the rabbit instead of the rat or mouse was based on several observations.

Rats and mice show an estrus cycle and ovulate during each cycle. Sometimes a doe will go through 'pseudopregnancy'. This happens when a young doe is sexually stimulated or has an infertile mating. She may appear to be bred, even to the point of producing milk and pulling fur to line her nest.

Following stimulation, the doe releases egg cells, which cause the uterus to swell, which, in turn, activates the.

IN many species luteolysis is dependent upon the presence of the uterus and an intact utero-ovarian vasculature. The occurrence of prostaglandin F2α (PGF2α) in uterine tissue, its specific Cited by:.

1. Uterus: Endometrial hypertrophy pdf symplasma formation (pseudopregnancy), Mustela furo. 2. Uterus: Endometritis, acute, multifocal, mild. Pseudopregnancy in the ferret can develop following a sterile mating, or as result of hormonal imbalance caused by .Merck and the Merck Veterinary Manual.

Merck & Co., Download pdf, Kenilworth, NJ, USA is a global healthcare leader working to help the world be well. From developing new therapies that treat and prevent disease to helping people in need, we are committed to improving health and well-being around the world.

Determination of ebook or pseudopregnancy stages. Queens were considered to be ebook the early luteal phase when the plasma P 4 was between 2 to 8 ng/mL and the corpora haemorrhagica were ≥ 2 mm in diameter. Mid-pseudopregnancy was determined when plasma P 4 was > 17 ng/mL and CL were reddish and 3–4 mm in diameter.

Late pseudopregnancy was characterized by plasma P 4 Cited by: