搜索结果: 1-13 共查到“生物学 Semen”相关记录13条 . 查询时间(0.086 秒)
The Usefulness of Selected Physicochemical Indices, Cell Membrane Integrity and Sperm Chromatin Structure in Assessments of Boar Semen Sensitivity
Boar Chromatin Structure Sperm Membrane Integrity Sperm Morphology
2016/5/19
The present work describes experiments undertaken to evaluate the usefulness of selected physicochemical indices of semen, cell membrane integrity and sperm chromatin structure for the assessment of b...
Determination of Sperm Sex Ratio in Bovine Semen Using Multiplex Real-time Polymerase Chain Reaction
Sex Determination Sexed Semen Multiplex Real-time polymerase chain reaction
2016/5/17
Gender selection is important in livestock industries; for example, female calves are required in the dairy industry. Sex-sorted semen is commonly used for the production of calves of the desired gend...
Some Factors Affecting Freezing of Boar Semen in 5 ml Maxi-straws
Boar Semen Freeze 5 ml Maxi-straw
2016/4/29
A series of experiments were conducted to determine the suitable freezing and thawing temperatures for the freezing of boar semen in 5 ml maxi-straws. The ultrastructure, in vitro fertilization (IVF) ...
The aim of the study was to investigate the effect of dietary fish oil supplementation on the semen characteristics of the Markhoz buck. Sixteen bucks were randomly allocated into 4 groups and receive...
Effect of rc Mutation on Semen Characteristics, Spermatogenic Tissues and Testosterone Profile in Blind Rhode Island Red Cockerels
Spermatogenic Tissues Testosterone Hormone Blind Cockerel
2016/4/25
Seven rc mutant and seven normal male birds (Rhode Island Red suie, RIR) were used in this study to determine the effects of rc mutation on semen characteristics, testosterone profile and spermatogeni...
Influence of Osmolality of Complete Semen Extender on Motion Characteristics of Frozen-thawed Ram Spermatozoa
Sheep Extender Osmolality Spermatozoa Cryopreservation Computer-aided Semen Analysis
2016/4/22
The present study was conducted to observe the effect of osmolality of glycerolated TEST-yolk glycerol extenders on post-thawing sperm kinematics of ram spermatozoa of the native Malpura breed maintai...
Effects of Taurine on Sperm Characteristics during In vitro Storage of Boar Semen
Boar Semen Sperm Characteristic Hydrogen Peroxide (H2O2) Taurine Hypoosmotic Swelling Test (HOST)
2016/4/22
The objective of this study was to investigate the anti-oxidative effects of taurine on sperm characteristics for in vitro storage of boar semen. Semen was randomly divided into 10 groups in conical t...
The Cryoprotective Effect on Frozen-thawed Boar Semen of Egg Yolk Low Density Lipoproteins
Boar Semen Cryopreservation Yolk LDL Sperm Motility Acrosome Integrity Plasma Membrane Integrity
2016/4/21
In order to protect the spermatozoa against cold shock, hen egg yolk is widely used as a cryoprotective agent in semen freezing extenders for domestic animals. The protective action of yolk is largely...
Estimates of Genetic Correlations between Production and Semen Traits in Boar
Genetic Correlation Boar Semen Production Heritability AI
2016/4/20
Currently, boars selected for commercial use as AI sires are evaluated on grow-finish performance and carcass characteristics. If AI sires were also evaluated and selected on semen production, it may ...
High Ejaculation Frequency Enhances Semen Production in Taiwan Country Chickens
Ejaculation Frequency PCV Sperm Concentration Roosters
2016/4/15
The objective of this study were to investigate the effect of ejaculation frequency on semen characteristics and to establish a method for quick assessment of sperm concentration in TCC using packed c...
Comparison of Semen Characteristics, Frozen-Thawed Sperm Viability, Testosterone Concentration and Embryo Development between Yorkshire Boar A and B
Sperm Viability Testosterone Embryo Yorkshire Boar
2016/4/15
This study was carried out to compare the semen characteristics, frozen-thawed sperm viability and testosterone concentration and in vitro fertilization (IVF) and development of in vitro matured pig o...
Post-thaw Thermal Resistance Test on Motility and Acrosomal Integrity of Filtered and Non-filtered Frozen Semen of Murrah Buffalo Bulls
Murrah Bull Sephadex Filtration Frozen Semen Motility Acrosomal Integrity
2016/4/14
Present investigation was conducted to determine the post-thaw sperm motility and acrosomal damage of filtered and non-filtered frozen semen of Murrah buffalo bulls. Twenty semen ejaculates (from four...
Effect of Antioxidant Fortification on Preservability of Buffalo Semen
Antioxidant Buffalo Semen Murrah Semen Preservability
2016/4/8
During the process of freezing, spermatozoa suffer cold shock which increases their susceptibility to lipid peroxidation which plays an important role in ageing of spermatozoa, shortening their life s...