搜索结果: 1-15 共查到“家畜繁殖学 ewes”相关记录17条 . 查询时间(0.077 秒)
Effects of feed intake restriction during late pregnancy on maternal metabolic changes and fetal development in ewes
Mongolian ewes nutrition level late gestation physiological metabolism fetal growth
2015/12/17
This study investigated the effects of feed intake restriction during late pregnancy on maternal metabolic changes and fetal development in ewes. Six ewes out of 35 Mongolian ewes were slaughtered at ...
Intraperitoneal lidocaine hydrochloride for prevention of intraperitoneal adhesions following laparoscopic genitourinary tract surgery in ewes
reproduction endosurgery ovary uterus laparoscopic sheep
2015/8/27
Adhesion formation involving the genitourinary tract is common following laparoscopic procedures. To evaluate the effectiveness of intraperitoneal lidocaine hydrochloride 1% solution for the preventio...
Time-dependent changes in milk fatty acid composition of ewes fed a winter ration supplemented with linseed or sunflower oils
ewes’ standard winter diet supplementation of plant lipids
2015/7/7
The effects of adding sunflower and linseed oils to a standard winter ration with a lower concentrate
content on the milk fatty acid composition in lactating ewes were investigated. Eighteen dairy e...
Effect of stage of the estrous cycle at the time of initial exposure to rams on the ovarian activity of Pelibuey ewes
male effect cyclic ewes breeding season
2015/7/2
Forty non-lactating, cyclic adult Pelibuey ewes were randomly divided into six groups. Estrus was synchronized within each group using intravaginal sponges and prostaglandin F2α injection at the time ...
Reproductive efficiency of Pelibuey and Romanov × Pelibuey ewes synchronized with synthetic progesterone and low doses of PMSG under a hot environment
hair-breed sheep estrus synchronization fertility eCG heat stress
2015/6/24
Thirty-nine multiparous ewes (19 Pelibuey and 20 Romanov × Pelibuey) treated with fluorogestone acetate impregnated intravaginal sponges were used to evaluate the effects of low pregnant mare serum go...
Embryo recovery from the oviduct in superovulated ewes: a method to improve MOET systems
embryo transfer MOET oviduct uterus superovulated sheep
2015/6/5
The efficiency of embryo recovery in a superovulatory treatment was studied by perfusing the oviduct or the uterine horn in 3.5 and 7 days after sponge withdrawal, respectively. Eighty-four and sevent...
Effect of the stage of lactation on milk composition, its properties and the quality of rennet curdling in East Friesian ewes
stage of lactation ewe milk composition milk properties quality of rennet curdling East Friesian
2015/6/5
The evaluation of the effect of the stage of lactation on milk composition, its properties and the quality of rennet curdling was carried out over the period of three successive years using milk sampl...
Activity of glutathione peroxidase (GSH-Px) in the blood of ewes and their lambs receiving the selenium-enriched unicellular alga Chlorella
selenite organic selenium blood selenium urine milk pregnancy lactation sheep glutathione peroxidise Chlorella
2015/6/5
The effect of supplementation of selenium inorganic and organic forms on the activity of glutathione peroxidase (GSH-Px) was investigated for 7–8 months in three groups of ewes (by five animals each) ...
Effect of Age on Energy Requirement for Maintenance and Growth of Dorper and Hu Crossbred F1 Ewes Weighing 20 to 50 kg
Metabolizable Energy Requirement Fattening Period Age Ewe
2016/5/18
This research aimed to define the energy requirement of Dorper and Hu Hybrid F1 ewes 20 to 50 kg of body weight, furthermore to study energy requirement changes with age and evaluate the effect of age...
Milk progesterone profiles, blood metabolites, metabolic hormones and pregnancy rates in Awassi ewes treated by gestagen + eCG at the early breeding season
dairy ewe cycle-induction/synchronization ovary
2015/4/1
The ovarian response to a standard chronogest + eCG treatment with plasma levels of insulin, insulin-like growth factor-I (IGF-I), thyroids, non-esterified fatty acids (NEFA), OH-butyrate (BHB...
The Effects of Short or Long Term FGA Treatment with or without eCG on Reproductive Performance of Ewes Bred Out-of-season
Awassi ewes FGA sponges eCG Out-of-season
2009/1/19
The objective was to evaluate the effects of intravaginal FGA sponges inserted for 4 or 12 days with or without eCG on reproductive performance of ewes out-of-season. Forty-eight anestrous ewes were a...
Relationships of Body Composition and Fat Partition with Body Condition Score in Serra da Estrela Ewes
Body Condition Score Body Composition Sheep Fat Partition
2016/4/26
Twenty eight non-lactating and non-pregnant adult Serra da Estrela ewes, ranging in body condition score (BCS) from 1 to 4 were used to study the relationships between BCS, live weight (LW), body comp...
Effect of Flushing on Nutrient Utilization and Reproductive Performance of Ewes Grazing on Community Rangeland
Flushing Nutrient Utilization Reproductive Performance Ewes Community Rangeland
2016/4/21
The present study was undertaken to evaluate the effect of flushing of ewes with concentrate pellets just before the mating season on their nutrient utilization and reproductive performance on farms. ...
Shearing Pregnant Ewes to Improve Lamb Birth Weight Increases Milk Yield of Ewes and Lamb Weaning Weight
Ewes Pregnancy Shearing Milk Yield Lamb Birth Weight Weaning Weight
2016/4/18
Milk yield, lamb birth weight and weaning weight responses to shearing during winter in sheep were investigated. A total of 46 Karayaka ewes were allocated into two treatment groups. Pregnant ewes in ...
Body Weight Change, Milk Production and Reproductive Parameters in Suckled vs. Non-suckled Awassi Ewes
Awassi Sheep Suckling Postpartum Reproduction
2016/4/18
The objective of this study was to identify the effect of early weaning on body weight change, milk production and the return to estrus in Awassi ewes. Twenty multiparous winter-lambing Awassi ewes we...