scholarly journals Sterility in breeding sows as a consequence of reproductive tract diseases

2002 ◽  
Vol 56 (1-2) ◽  
pp. 105-110
Author(s):  
Radoslav Dosen ◽  
Mladen Gagrcin ◽  
Jasna Prodanov

In this paper we examined the effects of certain pathological conditions on the sterility of breeding sows. Pathomorphological investigations were performed on 185 reproductive organs. We analyzed the reasons for elimination from local records. The biggest number of sows with pathological changes on reproductive organs were in the group of barren sows, 48.68% followed by anestric sows, 30.26%, and the smallest number in sows with failed fertilizations, 21.05%. Cysts in ovaries, ovarian tubes, oviducts and ?the mesosalpinx were found in 23.77% of the examined sows. Lutein cysts were found in a significantly higher percentage in sows which fail to be fertilized than in barren or anestric animals. Small granular degeneration of the ovaries was determined in barren sows and those which cannot be fertilized, while it was not determined in anestric sows. Cysts on uterus ligaments and ovaries and on ovarian tubes and oviducts were found in significantly higher numbers in sows which fail be fertilized than in barren or anestric sows. Their presence can be connected to obstructions in the transport process of spermatozoa, eggs, and the fertilization process in sows which fail to be fertilized, especially in cases of cysts located on the very serosa of ovarian tubes which we found in these sows. We determined small granular degeneration of the ovaries in barren sows and those which fail to fertilized, but not in anestric sows. Ovarian insufficiency was mostly connected to anestric sows. Vaginitis, endometritis, periometritis and oocytis present an important factor in the occurrence of sterility primarily in sows which are barren or which fail to be fertilized.

2009 ◽  
Vol 53 (8) ◽  
pp. 934-945 ◽  
Author(s):  
Marilia T. C. C. Patrão ◽  
Erick J. R. Silva ◽  
Maria Christina W. Avellar

Androgens are steroid hormones that play key roles in the development and maintenance of male phenotype and reproductive function. These hormones also affect the function of several non-reproductive organs, such as bone and skeletal muscle. Endogenous androgens exert most of their effects by genomic mechanisms, which involve hormone binding to the androgen receptor (AR), a ligand-activated transcription factor, resulting in the modulation of gene expression. AR-induced non-genomic mechanisms have also been reported. A large number of steroidal and non-steroidal AR-ligands have been developed for therapeutic use, including the treatment of male hypogonadism (AR agonists) and prostate diseases (AR antagonists), among other pathological conditions. Here, the AR gene and protein structure, mechanism of action and AR gene homologous regulation were reviewed. The AR expression pattern, its in vivo regulation and physiological relevance in the developing and adult testis and epididymis, which are sites of sperm production and maturation, respectively, were also presented.


2019 ◽  
Vol 1 (2) ◽  
pp. 8-15
Author(s):  
Zaim Ashari

During menstruation blood vessels in the uterus are very easily infected because germs easily enter and cause diseases of the reproductive tract. Some of the most common disorders are vaginal discharge and pruritus vulvae (vaginal itching). However, this complaint can be prevented by maintaining the cleanliness of the female organs early on, namely with good menstrual personal hygiene. This study aims to describe the level of personal hygiene knowledge about menstruation. This research is a descriptive study with a cross-sectional approach, with a total sample of 90 people taken by total sampling technique. The results showed that the majority of respondents had enough personal hygiene behavior as many as 82 people (91.1%), while good menstrual personal hygiene behavior was 3 people (3.3%), and respondents who had behaviors classified as less than 5 people ( 5.6%). Based on complaints on reproductive organs, respondents who experienced vaginal discharge were 85 people (94.4%) and itching around the genitals was around 83 people (92.2%).


1984 ◽  
Vol 32 (6) ◽  
pp. 721 ◽  
Author(s):  
H Marsh ◽  
GE Heinsohn ◽  
TD Glover

The anatomy and histology of the male reproductive tract of the dugong (Dugong dugon) is described. Each testis and its adjacent epididymis lie immediately caudal to the corresponding kidney. The seminal vesicles are large but there is no discrete prostate gland and the bulbo-urethral glands are also diffuse. Both qualitative and quantitative examination of the testes and epididymides of 59 males whose ages have been estimated from tusk dentinal growth layer counts indicate that the male dugong does not produce spermatozoa continuously, despite the absence of a distinct breeding season. Individual dugongs were observed with testes at all stages between complete quiescence and full spermatogenesis, and only 10 of the 40 mature males had fully spermatogenic testes and epididymides packed with spermatozoa. Androgenic and spermatogenic activity of the testes appeared to be in phase, but the testicular histology of some old males suggested that they may have been sterile for long periods.


Author(s):  
Strahinja ĆIBIĆ ◽  
Miloš PAVLOVIĆ

Ultrasound Real time 2D diagnostics, being an available and non-invasive method, issuccessfully used in human medicine, veterinary medicine and biology to diagnose bothphysiological and pathological conditions. In the case of small animals, the ultrasound is often usedto diagnose gravidity, number, size and vitality of fetuses as well as to diagnose pathologicalconditions present in the genital tract, and is also used to examine testicles and prostate of maleanimals. Today's advanced use of the ultrasound diagnostics provides us with an opportunity todetect numerous pathological conditions of reproductive tract of both female and male animals, andthose conditions directly affect health status of other internal organs. The aim of this study is todiagnose primary genital tract disorders using the ultrasound diagnostics, as well as proving itsconnection to the changes in parenchymal organs. The ultrasound examination was performed onthe total of 12 dogs, 6 male and 6 female dogs. Ovaries, uterus and the organs in the abdominal areawere examined using a transducer ranging from 5 to 8 MHz. A transducer of 7.5 MHz was used toexamine prostates and testicles. The patients were in dorsal position. Three out of six examined maledogs exhibited changes on their prostates, and the remaining one had a tumor on the testicles. Cystitisand hyperplasia of prostate were also found upon the examination of these dogs. One out of sixexamined female dogs, had cystic endometrial hyperplasia, three of them had pyometra, and one ofthem was diagnosed with an follicular cyst. In addition to these pathological conditions, changeswere noticed in the liver and pancreas. Along with the detection of primary changes in the genitaltract of both male and female animals, the ultrasound diagnostics can be used to discover consequentchanges in parenchymal organs.


2021 ◽  
Author(s):  
kone not provided

Description of procurement of non-pregnant female reproductive tract from deceased donor for HuBMAP.


2022 ◽  
Author(s):  
A.A. Kudryashov ◽  
◽  
V.I. Balabanova ◽  
T.P. Maksimov ◽  
M.I. Maksimova ◽  
...  

This book accumulates authors’ practical knowledge and experience in pig pathology. It contains a big volume of theoretical and illustrative material, collected during authors’ many years long pig dissecting practice on pig farms in Russia. Most of the diseases presented in the book are diseases of the modern livestock of Russian pig farms, studied by the authors in the last 10 years until 2021. There are more than 460 original photographs of pig organs with pathological changes due to different diseases and pathological conditions. Methodological material on pig necropsy is also presented, as well as differential diagnosis tables.


1982 ◽  
Vol 30 (1) ◽  
pp. 1 ◽  
Author(s):  
DJ Kitchener ◽  
CJ Hudson

The reproductive cycle of female T, australis is outlined from examination of reproductive organs in situ and from histological techniques on museum specimens collected in Australia, south of latitude 22�S., over the last 88 years. Features of the reproductive tract and ovaries during important repro- ductive phases are described. There is a marked asymmetry of the reproductive organs, only the right ovary and uterine horn being functional. T. australis is monoestrous; there is no indication of marked differences in the timing of reproductive phases between regional populations. A single, deeply embed- ded corpus luteum occupies up to 60% of the ovary and degenerates at about the time of parturition. Apparently, most females, including young of the year, become pregnant each year, and give birth to a single young, usually between mid-December and late January, although occasionally as late as the end of February. Most young are weaned by early May. There is a short anoestrus, which is probably restricted to early lactating females, followed by a relatively long pro-oestrus. Copulation, ovulation and fertilization occur around late August. There is no evidence of hibernation.


2014 ◽  
Vol 2014 ◽  
pp. 1-5 ◽  
Author(s):  
Yusuf Abba ◽  
Suleiman Simon ◽  
Halima Idris Gambo ◽  
Ikechukwu Onyebuchi Igbokwe ◽  
Yusuf Iliyasu

The study of pathological conditions of the male reproductive system is paramount to understanding reproductive inefficiency in the Sahel goat. In this study, 1048 Sahel bucks presented for slaughter at the Maiduguri metropolitan abattoir were evaluated for the presence of various pathological abnormalities of the reproductive system. A total incidence of 15.08% was recorded for various pathological conditions, with testicular, penile, and scrotal conditions having incidences of 7.82%, 4.80 and 2.50%, respectively. Bilateral testicular hypoplasia and atrophy and unilateral cryptorchidism accounted for incidences of 4.10%, 2.38%, and 1.24%, respectively, while paraphimosis and scrotal laceration had incidences of 1.72% and 1.05%, respectively. Age specific incidence of pathological conditions were not significant(P>0.05)between bucks aged <1–1.5 and 2–2.5 years. However, bucks aged 3–3.5 year a had lower(P<0.05)incidence of pathological conditions than other age groups. Histopathological evidence of inflammation, degeneration, and atrophy was observed in the testes, while inflammatory changes were observed in the prepuce.


2012 ◽  
Vol 50 (1) ◽  
pp. R1-R9 ◽  
Author(s):  
Anna Maria Di Blasio ◽  
Michele Vignali ◽  
Davide Gentilini

Endocannabinoids are endogenous ligands of cannabinoid, vanilloid and peroxisome proliferator-activated receptors that activate multiple signal transduction pathways. Together with their receptor and the enzymes responsible for their synthesis and degradation, these compounds constitute the endocannabinoid system that has been recently shown to play, in humans, an important role in modulating several central and peripheral functions including reproduction. Given the relevance of the system, drugs that are able to interfere with the activity of endocannabinoids are currently considered as candidates for the treatment of various diseases. In this review, we will summarise the current knowledge regarding the effects of endocannabinoids in female reproductive organs. In particular, we will focus on some newly reported mechanisms that can affect endometrial plasticity both in physiological and in pathological conditions.


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