although the mechanisms under which sex ratio is controlled in nature remain unknown, researchers have attempted to treat sperm in an effort to predetermine the sex of the offspring. the methods of sperm separation that have been repeatedly reported to isolate fractions rich in x- or y-chromosome bearing sperm are serum albumin gradient swim-up and flow cytometry. however, the ability of the se...

the study was designed to investigate thehaematological parameters of intensively and semi-intensively kept chicken. 60 males and 60 females chickens were randomly selected from farmers in the area of study. age of birds were ascertained from farmers and blood samples (one including anticoagulant; one whole blood) collected through wing venepuncture.significant (p

one of the unusual variant of ovarian tumor is sex cord stromal tumor with annular tubules (sctat). the recurrence in case of malignant ovarian sctat ranges from 3mo to 20yr. this report describes the case of recurrence of sctat in a 35yr old woman after 4yr of hysterectomy with bilateral salphingo-oopherectomy. microscopic examination revealed features of sctat. because of its unusual behavior...

acanthopagrus latus is one of the major commercially exploited species in the persian gulf. in recent years, it has gained importance as a candidate for aquaculture. haematological parameters of wild-caught specimens were studied during the pre-spawning period to determine if they are influenced by the sex of fish. blood samples were collected from 55 fish (30 female and 25 male) captured from ...

studies on reproductive biology are essential to assess culture potential of a fish species. mystus tengara is a popular food fish as well as preferred as an ornamental fish in west bengal. till date detailed report on reproductive biology of this fish species in the agro-climatic context of west bengal is lacking. therefore, the present work was aimed to study the detailed reproductive biology...

calving records of iranian buffaloes from april 1991 to june 2010 comprising 1,151 herds with 34,911 calving events were used to evaluate reported secondary sex ratio, stillbirth, and calf birth weight. logistic regression models were applied to analyze stillbirth and calf sex at birth, and statistical analysis of calf birth weight was performed using a linear mixed model. overall, the ratio of...

background: gender identity disorder and its treatment with sex reassignment surgery is a profound experience, which can affect the mental, interpersonal, social and religious aspects of one's life.   methods: this was a qualitative content analysis study focusing on the various dimensions of the experiences of seven patients suffering from gender identity disorder in a female-to-male subgroup....

background: sodium arsenite and/ or vasectomy may cause variation in sex hormones which affect pathophysiology of reproductive organs. objective: the aim was to investigate the morphological changes in structure of testis and hormonal imbalance in bilateral vasectomised rats treated with sodium arsenite. materials and methods: four groups of rats: bilateral vasectomy + sodium arsenite, bilatera...

Since sturgeons have no external sexual dimorphism and there are no external markers to determine sex, internal examination of the gonads should be used to sex identification. The present study describes the biopsy method and histological observations of the gonads of great sturgeon (Huso huso) in both sexes at different age classes. Sex and maturity stages of 226 great sturgeons were identifie...