The present study was conducted with the objective to the iron, copper and zinc variations in serum of Nili-Ravi buffaloes during pre and post partum periods determine. The study was carried out on 35 pregnant Nili-Ravi buffaloes during June 2008 to October 2008 at Buffalo Research Institute, Pattoki, District Kasur. Blood samples were taken from these buffaloes during three, two and one week b...

This research sought to determine the effect of selected milk protein polymorphisms on reproduction parameters 598 black and white Polish Holstein–Friesian cattle. The analyzed genes were kappa-casein (CSN3) beta-lactoglobulin (BLG). following reproductive indexes selected: age at first calving, interpregnancy period, calving interval, insemination index. influence identified genotypes course p...

1 Development Research Station for Cattle Dancu-Iaşi, Iaşi, Romania 2 University of Agricultural Sciences and Veterinary Medicine, Faculty of Veterinary Medicine, Iaşi, Romania ABSTRACT. Three groups of Holstein Friesian cows were used to test the effect of two intravenous solutions on metritis, mastitis prevalence and reproductive performance. The first solution containing 3000 mg Butaphosphan...

The present study aimed to investigate the effects of two lactation sow feeds, differing in n-6:n-3 ratio, given to sows before parturition on body condition and feed intake, periparturient metabolism (leptin, insulin, triiodothyronine (T3) and thyroxine (T4)), inflammatory parameters (TNFalpha, IL-6, serum amyloid A (SAA)) and on piglet performance (birth weight, survivability). The feed conta...

This trial evaluates reproductive performance in a early-routine estrus synchronization program using two different PGF2? . Cows were administered D(+)cloprostenol sodium (n=88; Group A) or dinoprost (n=78; Group B) between 35-42d postpartum. Pedometers were used to detect estrus. Evaluation of secondary signs of estrus and evaluation of vaginal mucus quality was made prior to AI. When estrus w...

Preterm birth remains the most serious complication of pregnancy and is associated with increased rates of infant death or permanent neurodevelopmental disability. Our understanding of the regulation of parturition remains inadequate. The scientific literature, largely derived from rodent animal models, suggests two major mechanisms regulating the timing of parturition: the withdrawal of the st...

After parturition, the somatotropic axis of the dairy cow is uncoupled, partly because of reduced concentration of liver-specific GH receptor (GHR) 1A. Estradiol-17 beta(E(2)) concentrations increase at parturition and E(2) upregulates suppressors of cytokine signaling-2 (SOCS-2) mRNA expression, potentially inhibiting GH signaling. Therefore, we hypothesized that SOCS-2 mRNA is upregulated aft...

labor is a physiological event involving a sequential, integrated set of changes within the myometrium, deciduas, and uterine cervix that occur gradually over a period of days to weeks. biochemical connective tissue changes in the uterine cervix appear to precede uterine contractions and cervical dilation, and all of these events usually occur before rupture of the fetal membranes. in other wor...