1. Methods of homogenizing suspensions of washed mammalian spermatozoa were studied. The most useful methods were those using sonication and those using a French press. 2. Hexokinase, phosphofructokinase, glucose phosphate isomerase and adenosine triphosphatase activities in ram, bull and boar spermatozoa were investigated by using these two homogenization methods. Glucose phosphate isomerase, ...

the effect of various amount of soybean lecithin replaced with egg yolk to protect the ram semen in times of one hour after semen collection, as well as 24 and 48 hours after the semen store at 5°c was evaluated. semen was collected weekly for 8 weeks from 10 rams with 2-3 years old and average body weights of 64 kg. semen samples were pooled and divided into 4 parts. each part was diluted with...

The aim of this study was to compare the sperm nuclear and acrosomal morphometry of three species of domestic artiodactyls; cattle (Bos taurus), sheep (Ovis aries), and pigs (Sus scrofa). Semen smears of twenty ejaculates from each species were fixed and labeled with a propidium iodide-Pisum sativum agglutinin (PI/PSA) combination. Digital images of the sperm nucleus, acrosome, and whole sperm ...

    Abstract   Urinary retention, a rare childhood problem which is most commonly caused by   urinary tract infection. However, neurological neoplasm must also be considered in   differential diagnosis. We report here a 3 year old girlthat was referred to the pediatrics   department of Kashan University of Medical Sciences (KAUMS) with a history   of urinary retention for 10 days. By insertion ...

A 5 years old buffalo in her second lactation was presented with the history of complete gestation at village Bajuri situated district Hamirpur Himachal Pradesh, India. Per vaginal examination showed fetus posterior longitudinal presentation dorso-sacral position and bilateral hip flexion. traction tried by mutations removed manually. Fetus congenitally defected presence two heads. It a rare ca...