搜索结果: 1-15 共查到“家畜繁殖学 pregnancy”相关记录15条 . 查询时间(0.125 秒)
Effect of insemination-related factors on pregnancy rate using sexed semen in Holstein heifers
Holstein sex-sorted semen estrus sperm quality intracornual insemination fertility
2016/12/20
The objectives were to determine the effects of insemination with sexed semen at spontaneous and induced estrus, fixed-time insemination at synchronized estrus, the deposition site, estrous intensity,...
Peroxisome proliferator activated receptor ligands affect porcine endometrial steroids production during the estrous cycle and early pregnancy:an in vitro study
PPAR progesterone estradiol luteal phase periimplantation
2016/9/1
In the present study, we investigated the effect of PPAR ligands on progesterone (P4) and 17β-estradiol (E2) secretion, as well as 3β-hydroxysteroid dehydrogenase/Δ(5)-Δ(4) isomerase (3β-HSD) mRNA exp...
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 ...
Influence of Temperature and Humidity on Pregnancy Rate of Murrah Buffaloes under Subtropical Climate
Threshold Temperature Humidity Index Non Heat Stress Zone Heat Stress Zone
2016/5/18
Heat stress has adverse effects on fertility of dairy animals. Decline in fertility is linearly associated with an increase in combination of both temperature and humidity. The purpose of this study w...
Proteomic Analysis of Bovine Pregnancy-specific Serum Proteins by 2D Fluorescence Difference Gel Electrophoresis
2D DIGE CyDye Proteomics Bovine Pregnancy Pregnancy-specific Serum Proteins
2016/5/18
Two dimensional-fluorescence difference gel electrophoresis (2D DIGE) is an emerging technique for comparative proteomics, which improves the reproducibility and reliability of differential protein ex...
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...
Protein Profile in Corpus Luteum during Pregnancy in Korean Native Cows
Corpus Luteum Korean Native Cows Pregnancy Progesterone Proteome Analysis
2016/5/10
Steroidogenesis requires coordination of the anabolic and catabolic pathways of lipid metabolism, but the profile of proteins associated with progesterone synthesis in cyclic and pregnant corpus luteu...
Roles of Conceptus Secretory Proteins in Establishment and Maintenance of Pregnancy in Ruminants
Uterus, Interferon Tau, Pregnancy, Nutrition, Implantation, Gene Expression
2016/5/9
Reproduction in ruminant species is a highly complex biological process requiring a dialogue between the developing conceptus (embryo-fetus and associated placental membranes) and maternal uterus whic...
Association of Length of Pregnancy with Other Reproductive Traits in Dairy Cattle
Holstein-Friesian Breed, Calving Ease, Stillbirth Rates, Heritability, Genetic Correlations
2016/5/9
The experiment involved observations of 2,514 Holstein-Friesian cows to determine the effects of environmental factors (cow’s age, calving season, weight and sex of calves, housing system) and genetic...
Ultrasonographic Apperance of the Gestational Structures Throughout Pregnancy in Bitches
Bitch ultrasound pregnancy fetal structures
2009/1/19
Ultrasonographic examinations of 10% bitches with known breeding dates were made on successive days to establish the identifiable characteristics of pregnancy. Subsequent serial examinations were mad...
Effect of Post Insemination Progesterone Supplement on Pregnancy Rates of Repeat Breeder Friesian Cows
Repeat Breeder Cow Progesterone Supplement PRID Pregnancy
2016/4/26
Fifty repeat breeder (RB) Friesian cows were allocated to five groups of 10 cows each, to determine the effect of progesterone (P4) supplement on P4 concentrations and pregnancy rates during the perio...
Production of Retinol-binding Protein by Caprine Conceptus during the Time Period of Maternal Recognition of Pregnancy
Goat Conceptus Vitamin A
2016/4/13
The purpose of the study were to characterize the proteins secreted by elongating caprine conceptus, to identify a group of low molecular weight proteins as retinol-binding protein (RBP), to identify ...
Changes in Ovarian and Placental 20α-hydroxysteroid Dehydrogenase Activity during the Pregnancy in the Rat
Progesterone dihydroprogesterone Rat Ovary
2016/4/12
The enzyme 20a-hydroxysteroid dehydrogenase (20a-HSD) catabolizes progesterone to 20a-dihydroprogesterone (20a-OHP), and is appeared in rat corpora luteal and placenta. A polled samples of 10-15 place...
Identification of Retinol-binding Protein Produced by Caprine Endometrium during Periattachment Period of Early Pregnancy
Goat Uterus Vitamin A
2016/4/12
Endometrial explants obtained from does between days 13 and 21 of pregnancy were cultured in a modified minimum essential medium in the presence of [35S]methionine and [3H]-leucine. Proteins synthesiz...
Changes in Maternal Blood Glucose and Plasma Non-Esterified Fatty Acid during Pregnancy and around Parturition in Twin and Single Fetus Bearing Crossbred Goats
Blood Glucose Goats NEFA Pregnancy
2016/4/8
The effects of fetal number (single or twin) on blood glucose and plasma NEFA during pregnancy and around parturition were studied on ten Alpine Beetal crossbred goats in their first to third...
