搜索结果: 1-15 共查到“畜牧学 Factors”相关记录42条 . 查询时间(0.312 秒)
Effect of insemination-related factors on pregnancy rate using sexed semen in Holstein heifers
Holstein sex-sorted semen estrus sperm quality intracornual insemination fertility
2016/12/20
The objectives were to determine the effects of insemination with sexed semen at spontaneous and induced estrus, fixed-time insemination at synchronized estrus, the deposition site, estrous intensity,...
Factors affecting reproductive efficiency in German Shepherd bitches producing litters for Police of the Czech Republic
dog reproduction whelping litter size puppy losses
2016/12/20
The present study on German Shepherd bitches bred in the same environment of a private kennel and producing offspring for working purposes aimed to ascertain if any of the parameters: litter size, num...
Sensory factors involved in mother-young bonding in sheep:a review
ewe-lamb bond welfare recognition olfactory vocalisation vision
2016/12/8
The aim of this review is to discuss sensory recognition (olfaction, vision, vocalisation, hearing and direct contact) in relation to the ewe-lamb bond, and the relevance of this information for anima...
Proteomic Assessment of the Relevant Factors Affecting Pork Meat Quality Associated with Longissimus dorsi Muscles in Duroc Pigs
Liquid Chromatography-tandem Mass Spectrometry Oxidative Stress Meat Quality
2016/11/10
Meat quality is a complex trait influenced by many factors, including genetics, nutrition, feeding environment, animal handling, and their interactions. To elucidate relevant factors affecting pork qu...
Factors affecting the functional length of productive life in Slovak Pinzgau cows
cattle functional traits longevity survival analysis risk ratio
2015/6/5
A proportional hazard model was used to analyze the impact of the most important factors on the length of productive life in 44 796 Slovak Pinzgau cows. The calculations were carried out with Survival...
Effects of non-steroidal gonadal factors on LH secretion in female common carp during the reproductive cycle
inhibin activin ovarian extract LH common carp aquaculture
2015/6/5
The aim of this study was to evaluate the effects of recombinant human inhibin A, recombinant human activin A and desteroidized ovarian extract on LH secretion in vitro and in vivo in female common ca...
Analysis of non-genetic factors affecting calving difficulty in the Czech Holstein population
calving process gestation length age at first calving preceding calving interval dairy cattle
2015/6/5
The objective of this study was to analyze the effects of non-genetic factors affecting calving difficulty in the Holstein population of the Czech Republic for subsequent compilation of the model for ...
Factors contributing to the incidence and prevalence of lameness on Czech dairy farms
dairy cows lameness welfare housing hoof care
2015/6/2
Twenty-four Czech dairy farms were visited to record lameness prevalence and to identify factors associated with high lameness prevalence at the farm level and/or increased lameness risk at the level ...
Effect of some factors on growth of lambs from crossing between the Improved Wallachian and East Friesian
lamb growth traits Improved Wallachian East Friesian
2015/6/2
The effect of some factors (genotype, sex, litter size, age of dam at lambing, month of lambing and year of birth of lamb) on the growth of lambs – crossbreds between the Improved Wallachian (IW) and ...
Factors affecting goat milk yield and its composition
Czech White Shorthaired goat fat protein
2015/6/1
The aim of the paper was to prove the accuracy of various statistical models of vari璦nce analysis for estimation of systematic factors that influence milk yield and fat and protein content in dairy go...
Induction of final oocyte maturation in Cyprinidae fish by hypothalamic factors: a review
reproductive dysfunction ovulation luteinizing hormone
2015/4/2
Gonadotropin-releasing hormone in Cyprinidae as in other Vertebrates functions as a brain signal which stimulates the secretion of luteinizing hormone from the pituitary gland. Two forms of gonadotrop...
Factors affecting somatic cell count in dairy goats: a review
milk quality mastitis benchmarking
2014/10/23
Somatic cell count (SCC) in monitoring udder health has been described in numerous studies as a useful method for the diagnosis of intramammary infection (IMI), and it is considered in standards of qu...
Research prevents zoonotic feline tularemia by finding influential geospatial factors（图）
finding influential geospatial factors Research prevents
2014/3/20
A Kansas State University epidemiologist is helping cats, pet owners and soldiers stay healthy by studying feline tularemia and the factors that influence its prevalence.
Influence of Municipal Abattoir Conditions and Animal-related Factors on Avoidance-related Behaviour, Bleeding Times at Slaughter and the Quality of Lamb Meat
Exsanguination Mutton Animal Characteristics Slaughter House
2016/5/12
The objective of this study was to determine the effect of municipal abattoir conditions and animal factors on avoidance-related behaviour (AB) of sheep at slaughter, bleeding times (BT) and mutton qu...
Effect of 24 h Fasting on Gene Expression of AMPK, Appetite Regulation Peptides and Lipometabolism Related Factors in the Hypothalamus of Broiler Chicks
Metabolism Nutrition Peptides Lipid Hypothalamus Broiler
2016/5/10
The 5’-adenosine monophosphate-activated protein kinase (AMPK) is a key part of a kinase-signaling cascade that acts to maintain energy homeostasis. The objective of this experiment was to investigate...