搜索结果: 1-10 共查到“畜牧学 N dynamics”相关记录10条 . 查询时间(0.131 秒)
A comparison of the follicular dynamics in heifers of the Czech Fleckvieh and Holstein breeds
cattle oestrous cycle bovine ovary ovarian follicular wave repeatability
2015/6/8
Differences in follicular development and repeatability of follicular growth pattern among Czech Fleckvieh (n = 20) and Holstein (n = 23) heifers were investigated. Follicular dynamics was evaluated b...
The dynamics of changes in selected parameters in relation to different air temperature in the farrowing house for sows
sows air temperature reproductive parameters average daily weight gain
2015/6/5
The purpose of this study was to analyse the influence of different external air temperature on changes in the air temperature of housing environment in the farrowing house for sows and consequent cha...
Dynamics of Air Temperature, Velocity and Ammonia Emissions in Enclosed and Conventional Pig Housing Systems
Conventional Pig Housing Enclosed Pig Housing Ammonia Hydrogen Sulfide Air Velocity
2016/5/11
This study aimed to compare the dynamics of air temperature and velocity under two different ventilation and housing systems during summer and winter in Korea. The NH3 concentration of both housing sy...
Dynamics of Air Temperature, Velocity and Ammonia Emissions in Enclosed and Conventional Pig Housing Systems
Conventional Pig Housing Enclosed Pig Housing Ammonia Hydrogen Sulfide Air Velocity
2016/5/11
This study aimed to compare the dynamics of air temperature and velocity under two different ventilation and housing systems during summer and winter in Korea. The NH3 concentration of both housing sy...
Effects of Ruminal Infusion of Garlic Oil on Fermentation Dynamics, Fatty Acid Profile and Abundance of Bacteria Involved in Biohydrogenation in Rumen of Goats
Garlic Oil Conjugated Linoleic Acid Biohydrogenation Butyrivibrio Goat
2016/5/10
This study aimed to investigate the effects of ruminal infusion of garlic oil (GO) on fermentation dynamics, fatty acid (FA) profile, and abundance of bacteria involved in biohydrogenation in the rume...
Bacterial Community Dynamics during Swine In vitro Fermentation Using Starch as a Substrate with Different Feed Additives for Odor Reduction
Bacterial Community Starch Feed Additives In vitro Fermentation Odor Reduction
2016/5/10
The experiment was conducted by in vitro fermentation and bacterial community analysis to investigate the reduction of odorous compounds in response to the use of feed additives (FA) during carbohydra...
Effects of Polyurethane Coated Urea Supplement on In vitro Ruminal Fermentation, Ammonia Release Dynamics and Lactating Performance of Holstein Dairy Cows Fed a Steam-flaked Corn-based Diet
Polyurethane Coated Urea Rumen Fermentation Ruminal Ammonia Release Lactating Performance
2016/5/4
Three experiments were conducted to investigate the effects of polyurethane coated urea on in vitro ruminal fermentation, ammonia release dynamics and lactating performance of Holstein dairy cows fed ...
Supplementing Maize or Soybean Hulls to Cattle Fed Rice Straw: Intake, Apparent Digestion, In situ Disappearance and Ruminal Dynamics
Supplementation Rice Straw Soybean Hulls In situ Disappearance Ruminal Metabolism
2016/4/27
Steers with ad libitum access to rice straw were assigned to four diets to evaluate the effects of maize or soybean hull supplementation on intake, in vivo digestibility, ruminal pH, VFA, ammonia-nitr...
Red clover grown in a mixture with grasses : yield, persistence and dynamics of quality characteristics
cutting frequency sward density nitrogen fertilization chemical composition digestibility heat sums Trifolium pratense Phleum pratense Festuca pratensis
2010/8/13
Red clover (Trifolium pratense L.) was grown in mixtures with timothy and meadow fescue in field experiments at four sites in Finland to broaden knowledge on its potential as a forage crop. The effect...
Dynamics of Early Fermentation of Italian Ryegrass (Lolium multiflorum Lam.) Silage
Dynamics Fermentation Italian Ryegrass
2016/4/12
The dynamics of fermentation were studied with Italian ryegrass ensiled in the laboratory silos. The silos were kept in the room set at 25 C, and then were opened on 0.5, 1, 2, 3, 5, 7 and 14 days aft...