this experiment was conducted to determine the reproductive performance of kurdi ewes which were artificially inseminated (ai). in total 240 kurdi ewes, weighing 49.5±2.5 kg were used in the trail. the ewes were allocated randomly to one of four groups (n=60/in each group). for synchronizing, controlled internal drug release (cidr) was placed in the vagina of all individuals for 14 days. after ...

To examine effects of nutrient restriction and dietary Se on maternal and fetal visceral tissues, 36 pregnant Targhee-cross ewe lambs were allotted randomly to 1 of 4 treatments in a 2 x 2 factorial arrangement. Treatments were plane of nutrition [control, 100% of requirements vs. restricted, 60% of controls] and dietary Se [adequate Se, ASe (6 microg/kg of BW) vs. high Se, HSe (80 microg/kg of...

Cox, Blair E., Carrie E. Williams, and Charles R. Rosenfeld. Angiotensin II indirectly vasoconstricts the ovine uterine circulation. Am. J. Physiol. Regulatory Integrative Comp. Physiol. 278: R337–R344, 2000.— The uterine vasculature of women and sheep predominantly expresses type 2 ANG II receptors that do not mediate vasoconstriction. Although systemic ANG II infusions increase uterine vascul...

1. Whole-body, hind-limb and uterine tissue metabolism of glucose was studied using a combination of isotopic and arterio-venous difference techniques in shorn and unshorn pregnant sheep over the final 4 weeks of pregnancy. This was combined with the measurement of the concentrations of oxygen and carbon dioxide in arterial blood and plasma concentrations of lactate, acetate, non-esterified fat...

Postmortem survey of small ruminant pregnancy wastage was conducted at Kumasi Abattoir Ltd, Kaase. visits and investigations were on 16 randomly selected abattoir working days. All mature ewes does slaughtered days (mean = 71.69 animals/day) included in the study, giving a total 1,147 animals (301 846 does). The reproductive tracts study collected slaughter line uterus grossly inspected for pre...

Pregnant St. Croix White and Barbados Blackbelly hair sheep ewes were used to evaluate the effect of supplemental nutrition around the time of lambing on ewe and lamb performance during the dry and wet seasons on St. Croix. Beginning 14 d before expected day of lambing (d 0) and for 21 d postpartum, one group of ewes was fed a pelleted supplement in addition to grazing guinea grass pasture (FEE...

Mature pregnant crossbred ewes (n = 90) were used in a randomized complete block design and assigned to 1 of 3 winter-feeding systems differing in primary feed source: haylage (HL), limit-fed corn (CN), or limit-fed dried distillers grains (DDGS). Effects of these winter-feeding strategies on ewe and lamb performance were determined. Diets were formulated to meet or exceed NRC (1985) nutrient r...