搜索结果: 1-15 共查到“家畜繁殖学 Production”相关记录40条 . 查询时间(0.168 秒)
Black gram (Vigna Mungo L.) foliage supplementation to crossbred cows: effects on feed intake, nutrient digestibility and milk production
Black Gram Foliage Intake Nutrient Digestibility Milk Yield Cows
2017/3/8
An experiment was conducted to examine the effect of dietary supplementation of dried and ground foliage of black gram (Vigna mungo L.) on feed intake and utilization, and production performance of cr...
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...
Production of Transgenic Pigs with an Introduced Missense Mutation of the Bone Morphogenetic Protein Receptor Type IB Gene Related to Prolificacy
Transgenic Handmade Cloning Pig BMPR1B Coding Sequence Reproductive Traits
2016/7/27
In the last few decades, transgenic animal technology has witnessed an increasingly wide application in animal breeding. Reproductive traits are economically important to the pig industry. It has been...
A simple method for assessing hyaluronic acid production by cumulus-oocyte complexes
oocyte meiotic maturation cumulus expansion
2016/7/6
The cumulus expansion of cumulus-oocyte complex (COC) is an essential regulating process of oocyte maturation and as such it is a possible biomarker of the in vitro maturing oocytes quality. Cumulus e...
Effects of polymorphism in the bovine PTPRQ gene on the expression of MYF6 and MYF5 genes in skeletal muscle and on meat production traits in beef bulls
receptor-type III PTP with phosphatidylinositol phosphatase activity genotype muscle regulatory factors bovine meat traits
2016/6/3
The aim of the study was to characterize nucleotide sequence polymorphisms in the bovine PTPRQ gene, to search for their possible effect on the expression of myogenic factor 6 (MYF6; MRF4) and myogeni...
Nocturnal Light Pulses Lower Carbon Dioxide Production Rate without Affecting Feed Intake in Geese
Feed Intake Goose Intermittent Lighting Metabolic Rate Photoperiod
2016/5/19
This study was conducted to investigate the effect of nocturnal light pulses (NLPs) on the feed intake and metabolic rate in geese. Fourteen adult Chinese geese were penned individually, and randomly ...
Effects of Monensin on Metabolism and Production in Dairy Saanen Goats in Periparturient Period
Monensin Dairy Goats Saanen Metabolism
2016/5/11
This trial evaluated the effects of dietary supplementation with monensin sodium on dry matter intake, metabolic parameters and milk yield and milk composition of dairy Saanen goats in the periparturi...
Effect of source of methionine in broken rice-soybean diet on production performance, blood chemistry, and fermentation characteristics in weaned pigs
short-chain fatty acids piglets
2015/7/7
The population of Lactobacillus spp. in the caecum was decreased
by both DLM and LMA supplementation (P < 0.05). Succinic acid concentration in the caecum of pigs fed the
DLM diet was greater than...
Genetic parameters for female fertility and milk production traits in first-parity Czech Holstein cows
dairy cattle reproduction production
2015/6/23
The aim of this study was to estimate genetic parameters for female fertility and production
traits in first-parity Czech Holstein cows and to quantify the effect of using this information on the ac...
Superovulation following follicular synchronization with GnRH at random stages of the oestrous cycle in heifers: oocyte competence and in vitro embryo production
heifer oocyte GnRH oocyte competence
2015/6/8
The objective of this study was to develop a superovulatory program based on the synchronization of follicular waves with GnRH which could be applied regardless of the stage of the oestrous cycle. In ...
Effect of dietary sodium selenite,Se-enriched yeast and Se-enriched Chlorella on egg Se concentration, physical parameters of eggs and laying hen production
sodium selenite Se-yeast Se-Chlorella laying hens Se in eggs Haugh unit hen production
2015/6/2
ISA Brown laying hens at 24 weeks of age, housed in laying battery cages, were used in this 4-group experiment. One group was fed a basal diet containing primarily maize, soybean meal and wheat. Selen...
Polymorphism, Genetic Effect and Association with Egg Production Traits of Chicken Matrix Metalloproteinases 9 Promoter
Chicken Matrix Metalloproteinases 9 Ovary Polymorphism Reproduction
2016/5/17
Matrix metalloproteinases (MMP) are key enzymes involved in cell and tissue remodeling during ovarian follicle development and ovulation. The control of MMP9 transcription in ovarian follicles occurs ...
Production of Mutated Porcine Embryos Using Zinc Finger Nucleases and a Reporter-based Cell Enrichment System
Knockout Pig Reporter Based Enrichment Somatic Cell Nuclear Transfer Zinc Finger Nuclease
2016/5/16
To facilitate the construction of genetically-modified pigs, we produced cloned embryos derived from porcine fibroblasts transfected with a pair of engineered zinc finger nuclease (ZFN) plasmids to cr...
Influence of Rabbit Sire Genetic Origin, Season of Birth and Parity Order on Doe and Litter Performance in an Organic Production System
Rabbit Organic Production System Reproduction Genetic Origin
2016/5/11
The aim of this study was to compare both the performance of litters derived from two sire genetic origins (SGO), Vienna Blue (VB) and Burgundy Fawn (BF), along successive seasons of birth (SB; winter...
Effects of Propylene Glycol on Milk Production, Serum Metabolites and Reproductive Performance during the Transition Period of Dairy Cows
Dairy Cows Propylene Glycol Milk Production Serum Metabolites
2016/5/4
The objective of this study was to investigate the effects of an oral drench of propylene glycol (PG) on milk production, serum metabolites and reproductive performance during the transition period of...