搜索结果: 1-12 共查到“畜牧学 Bull”相关记录12条 . 查询时间(0.247 秒)
Effect of low-density lipoprotein addition to soybean lecithin-based extenders on bull spermatozoa following freezing-thawing–preliminary results
bull sperm cryopreservation sperm motility viability cryoprotectant
2016/12/20
Soybean lecithin-based extenders represent an alternative to extenders containing egg yolk, but there has been discussion about their cryoprotective efficacy. Low-density lipoprotein (LDL) was proved ...
Seminal Plasma Heparin Binding Proteins Improve Semen Quality by Reducing Oxidative Stress during Cryopreservation of Cattle Bull Semen
Seminal Plasma Heparin Binding Protein [HBP] Cryopreservation Function Tests Sperm Cattle Bulls
2016/11/10
Heparin binding proteins (HBPs) are produced by accessory glands. These are secreted into the seminal fluid, bind to the spermatozoa at the time of ejaculation, favour capacitation, acrosome reaction,...
Distribution of tetraspanin family protein CD9 in bull reproductive system
monoclonal antibody immunohistochemistry sperm
2015/7/3
The CD9 cell surface molecule has been found to be important for the fertilization process of mammals. The aim of this study was to investigate, whether the molecule CD9 is expressed on bull sperm dur...
Growth and carcass performance of bull calves born from Hereford, Simmental and Charolais cows sired by Charolais bulls
beef bull calves crossbreds body weight
2015/6/8
The analysis comprised purebred Charolais bull calves (CH) and crossbred bull calves born from Hereford (CH × HE) and Simmental (CH × SI) cows. Body weights and daily gains were measured in subsequent...
Metals of King Bolete (Boletus edulis) Bull.: Fr. collected at the same site over two years
Food fungi heavy metals higher fungi mineral composition
2011/1/13
The caps of King Bolete collected from the same site over two years had similar content of Cu, Fe, K, Mg, Mn, Na and Zn but different of Al, Ba, Ca, Cd, Hg and Sr (p < 0.05; U Mann-Whitney test).
Subfertility in Males: An Important Cause of Bull Disposal in Bovines
Bull Disposal Subfertility Semen Quality Libido Semen Freezability
2016/5/4
The study had two objectives, namely, to estimate the andrological disorders leading to disposal of Karan Fries (KF), Sahiwal cattle and Murrah buffalo bulls and to study the effect of various factors...
Empirical assessment of short-term preferences of tropical forages by crossbred bull calves
Preference calves Panicum Pennisetum bite rate intake
2009/3/4
Short-term preference studies were carried out with growing calves based on diets of local grass forages found in Turiani division, Morogoro, Tanzania. Four intact crossbred male calves aged 7 - 8...
Training dairy bull calves to stay within light-built electric fences (Research Note)
cattle electric fences learning grazing
2010/8/9
Training cattle to avoid electric fences before turnout to grazing reduces the risk of the animals breaking out from their paddock. We investigated the time needed for dairy bull calves to learn to av...
The effect of free or restricted acidified milk feeding of Finnish Ayrshire bull calves on the subsequent fattening and slaughter performance
calves bulls milk feeding growth feed intake performance
2010/8/13
The aim of the research was to study whether the anticipated added weight gain from ad libitum acidified milk feeding compared to restricted milk feeding during the preweaning period can be maintained...
Quality and Fertility of Post Thaw Sephadex Filtered Bull Semen
Bull Semen Sephadex Filtration Fertility
2016/4/15
The present investigation was carried out to assess the effect of Sephadex (G-15) filtration on the post thaw bull semen quality and conception rate. Post thaw unfiltered (control) and Sephadex filter...
Effect of Buffer Composition, Sephadex Grade and Column Size on Filtration Based Quality Improvement of Semen from Murrah Buffalo Bull
Murrah Buffalo Sephadex Filtration Acrosomal Integrity
2016/4/12
Sixty semen ejaculates collected at weekly interval from four Murrah Buffalo bulls over a period of seven months (Nov.1999 to May 2000) were used in the present study. Three buffer medium (sodium citr...
Effects of Feeding Urea and Soybean Meal-Treated Rice Straw on Digestibility of Feed Nutrients and Growth Performance of Bull Calves
Urea Urease Bull Calves Nutritive Value
2016/4/8
he experiment was conducted for a period of 56 days with twelve Bangladeshi bull calves of average body weight of 127.2011.34 kg. The calves were divided into 3 groups having 4 animals in each...