Forty ewes (3-6 years of age, average weight 41.2 kg)were randomly chosen from the flock of the sheep experiment station of Tripoli University. Ewes were divided into two groups, control group (C) received untreated barley straw and treatment group (T) received barley straw treated with 10% urea solution applied as 40% (V/W). Barley straw was sprayed with molasses when fed to animals. Both grou...

The objective of the present study was to compare the impact of ovsynch and progesterone-based ovulation synchronization protocol on ovarian response and conception in buffalo (n=19) exhibiting subestrus during low-breeding season (maximum ambient temperatures and relative humidity ranging from 36-45°C and 30-80%, respectively). Group I buffalo (n=10) were administered ovsynch protocol (d 0 and...

OBJECTIVE To assess the effect of weight reduction in obese infertile women on conception rate spontaneously as well as with ovulation induction and pregnancy outcome. STUDY DESIGN Observational experimental study. PLACE AND DURATION OF STUDY Different private clinics at Mirpurkhas, Thana Bola Khan and Hyderabad, Sindh, Pakistan, from March 2008 to February 2011. METHODOLOGY Infertile wom...

Subclinical infection of guinea pigs with isogenic wild type and aroA, htrA and aroA-htrA mutants of Salmonella enterica subspecies enterica serovar Abortusequi (S. Abortusequi) induced infertility, while mutants had little or no effect on conception rate in guinea pigs. Conception rate was significantly lower in guinea pigs inoculated with wild type (S-787) and aroA mutant of S. Abortusequi th...

Esculetin (6,7-dihydroxycoumarin) and its C-4 derivatives have multiple pharmacologic activities, but the poor metabolic stability of these catechols has severely restricted their application in the clinic. Glucuronidation plays important roles in catechols elimination, although thus far the effects of structural modifications on the metabolic selectivity and the catalytic efficacy of the human...

Matings and litters were studied involving all three-breed crosses (sired by purebred boars) and four-breed crosses (sired by cross-bred boars) from the Duroc, Yorkshire, Landrace and Spotted breeds. There were 764 female mating records and 161 boars used over five sequential breeding seasons. A sample of pregnant gilts was slaughtered each season and the remainder were allowed to carry their l...

Regression models are proposed for predicting conception rate in a dairy herd under South African and especially Natal conditions. Conception rate (CR%) was related to mean monthly temperature-humidity index (THI) by curvilinear regression equation model; CR% = 812.7 +/- 28.61 THI - 0.2322THI2 (P = 0.061), and by linear regression equation model; CR% = 188.0 - 1.906THI (P = 0.023). Conception r...