搜索结果: 1-15 共查到“理学 dairy”相关记录74条 . 查询时间(0.225 秒)
How do herd’s genetic level and milk quality affect performance of dairy farms?
genetic level dairy farm technical efficiency data envelopment analysis fractional regression model
font style='font-size:12px;'>
2018/11/23
The effects of genetic level and output quality characteristics on technical efficiency (TE) of dairy farms were studied. The average total relative breeding value (RBV) at herd level was considered a...
Supplementation of Dairy Cows with Docosahexaenoic Acid Did Not Affect Ovarian Activity
algae follicle corpus luteum oestrus oestradiol progesterone milk DHA
font style='font-size:12px;'>
2018/3/5
Vlcek M., Andrlikova M., Barbato O., Bina V., Boland M.P., Dolezel R., Lopatarova M., Cech S. (2017):
Supplementation of dairy cows with docosahexaenoic acid did not affect ovarian activity. Czech J....
The Study of Endometrium at Gestational Days 5 and 15 in Dairy Goats (Capra hircus)
endometrial receptivity pinopodes gestational day 15 (D15)
font style='font-size:12px;'>
2018/3/5
Endometrium receptivity, an absolutely necessary part of successful embryo implantation, and several morphological
and biochemical endometrial receptivity biomarkers have already been studied and pro...
Peripheral skeleton bone strength is positively correlated with total and dairy protein intakes in healthy postmenopausal women
bone fragility bone microstructure dairy products finite element analysis fracture risk HR-pQCT nutrition osteoporosis protein intake
font style='font-size:12px;'>
2018/11/12
Background: Bone mineral content (BMC) and bone mineral density (BMD) are positively correlated with dietary protein intakes, which account for 1–8% of BMC and BMD variances. However, the relation bet...
Random Regression Models Using Legendre Polynomials to Estimate Genetic Parameters for Test-day Milk Protein Yields in Iranian Holstein Dairy Cattle
Holstein Dairy Cattle Milk Protein Yields Random Regression Model Test-day Records
font style='font-size:12px;'>
2016/12/28
The objective of this study was to estimate the genetic parameters of milk protein yields in Iranian Holstein dairy cattle. A total of 1,112,082 test-day milk protein yield records of 167,269 first la...
The Effects of Dietary Phosphorus on the Growth Performance and Phosphorus Excretion of Dairy Heifers
Heifers Growth Performance Phosphorus Phosphorus Excretion
font style='font-size:12px;'>
2016/7/27
The objective of this study was to investigate the effects of reducing dietary phosphorus (P) on the frame size, udder traits, blood parameters and nutrient digestibility coefficient in 8- to 10-month...
Investigations on Genetic Architecture of Hairy Loci in Dairy Cattle by Using Single and Whole Genome Regression Approaches
Genome Wide Association Analyses Discordant Sib Pair Analyses Whole Genome Regression Analyses
font style='font-size:12px;'>
2016/7/27
Development of body hair is an important physiological and cellular process that leads to better adaption in tropical environments for dairy cattle. Various studies suggested a major gene and, more re...
Yeast Culture and Vitamin E Supplementation Alleviates Heat Stress in Dairy Goats
Dairy Goats Heat Stress Vitamin E Yeast Culture Endotoxin Absorption
font style='font-size:12px;'>
2016/7/27
This study was conducted to determine and compare the effects of yeast yeast culture (YC) and vitamin E (VE) supplementation on endotoxin absorption and antioxidant status in lactating dairy goats suf...
Effects of Supplemental Levels of Saccharomyces cerevisiae Fermentation Product on Lactation Performance in Dairy Cows under Heat Stress
Heat Stress Saccharomyces cerevisiae Lactation Performance Dairy Cow
font style='font-size:12px;'>
2016/7/27
The objectives of this study were to evaluate the effects of different supplemental levels of Saccharomyces cerevisiae fermentation product (SCFP; Original XP; Diamond V) on lactation performance in H...
Microsatellite Analysis of the Genetic Diversity and Population Structure in Dairy Goats in Thailand
Microsatellite Genetic Diversity Dairy Goat
font style='font-size:12px;'>
2016/5/19
The genetic relationships between different populations and breeds of exotic dairy goats in Thailand were studied using 12 microsatellite markers. Blood samples were obtained from 211 goats from Depar...
Rapid Identification of Bifidobacteria in Dairy Products by Gene-targeted Species-specific PCR Technique and DGGE
Bifidobacterium spp. Species-specific PCR DGGE
font style='font-size:12px;'>
2016/4/27
This study was conducted to examine the effects of different soy-oil and soy-lecithin levels on growth performance, nutrient utilization and serum parameters in broiler chickens. Two hundred and forty...
Acute effect of red meat and dairy on glucose and insulin: a randomized crossover study
dairy dietary proteins insulin sensitivity red meat glucose metabolism
font style='font-size:12px;'>
2018/11/23
Background: In contrast with some epidemiologic evidence, our previous research showed that a 4-wk diet that was high in low-fat dairy reduced insulin sensitivity compared with the effect of a diet th...
Performance and behaviour at milking after relocation and housing change of dairy cows
cattle barn change milking system milk yield behavioural reaction preference
font style='font-size:12px;'>
2015/6/24
The hypothesis that relocation of cows with a housing change temporarily decreases their milk production and affects cows’ behaviour in the milking parlour has been proved. Forty-one Holstein cows on ...
Impact of glucogenic additive in transition dairy cow diets of varying ruminal starch degradability on yield and composition of milk and reproductive parameters
cows transition period glucogenic additive propylene glycol
font style='font-size:12px;'>
2015/6/23
A two-factorial experiment was carried out on 6 groups (10 animals each) of Polish Black
and White Holstein-Friesian cows in the transition period to determine the effect of glucogenic additive
(G...
Immunohistochemical localization of adhesion molecules (CD62 and CD18) in the mammary gland of dairy cows
cattle L-selectin β2-integrin mastitis
font style='font-size:12px;'>
2015/6/4
Localization of the L-selectin (CD62L) and β2-integrin (CD18) bearing cells in different tissues of the bovine mammary gland was examined. Five dairy cows of Holstein-Friesian breed in the middle of t...