搜索结果: 1-15 共查到“畜牧学 Czech Republic”相关记录20条 . 查询时间(0.125 秒)
Response to selection of a breeding program for Suffolk sheep in the Czech Republic
lamb breeding values growth performance traits performance recording
2018/11/23
Lamb growth performance traits in relation to parental breeding values (BVs) for these traits were evaluated in a purebred Suffolk sheep population in the Czech Republic. The research lasted over 8 ye...
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...
Comparison of models to estimate genetic parameters for scores of competitive sport horse events in the Czech Republic
show jumping sport horses breeding value random regression model multi-trait model
2015/10/9
The objective of the present study was to estimate genetic parameters and predict breeding values of sport horses in the Czech Republic using animal model variations. The data set for the evaluation w...
Microsatellite variability in nutria (Myocastor coypus) genetic resource in the Czech Republic
nutria genetic resource microsatellite marker
2015/6/23
Nutria (Myocastor coypus) is a large rodent native to South America which was introduced
worldwide originally with the intention of fur farming. Three colour forms (Standard, Moravian Silver, and
...
Stability of Aberdeen Angus breeding values in the Czech Republic from 1997 to 2007
Aberdeen Angus breeding value BLUP, weaning weight stability of breeding value direct effect maternal effect
2015/6/9
We predict the stability of breeding values (BVs) for direct effect (DE) and maternal effect (ME) for live weights at 210 days of age in the entire population of purebred Aberdeen Angus cattle in the ...
Effect of missense mutation Asp298Asn in MC4R on growth and fatness traits in commercial pig crosses in the Czech Republic
MC4R growth fatness pig
2015/6/9
The current knowledge of factors regulating voluntary feed intake in pigs is quite limited. The objective of this study was to test the influence of the missense mutation p.Asp298Asn (AF087937:c.746G>...
The aim of the paper was to analyse congenital disorders in the Czech cattle population in 1986?001. The offspring of 474 sires ?215 Czech Simmental, 236 Holstein, and 23 beef ?were diagnosed with con...
Results of pig carcass classification according to SEUROP in the Czech Republic
pig carcass classification accuracy
2015/6/8
Through data analysis of 7 571 883 pig carcasses slaughtered from 2004 to 2007 the means of quality classes (QC) 2.32, lean meat percentage (LM) 55.83%, carcass weight (CW) 87.21 kg, muscle thickness ...
Relationships between milk urea and production and fertility traits in Holstein dairy herds in the Czech Republic
dairy cow reproduction probability of conception
2015/6/8
The objective of this study was to determine how the concentration of milk urea (MU) and FPCM production affect reproduction in selected Holstein dairy herds in the Czech Republic. A retrospective, ob...
The accuracy of FOM instrument used in on-line pig carcass classification in the Czech Republic
pig classification measurement equipment operator error evaluation
2015/6/4
The objective of this study was to document the accuracy of the classification equipment used in the Czech Republic with respect to measurement errors in lean meat percentage prediction such as point ...
Relationships between the incidence of health disorders and the reproduction traits of Holstein cows in the Czech Republic
health fertility parameters dairy cows
2015/6/4
The objective of this study was to evaluate the relationships between several health disorders: milk fever (MF; hypocalcaemia and parturient paresis), retained placenta (RP; retained foetal membranes)...
The effect of growth and development intensity in replacement heifers on economically important traits of Holstein cattle in the Czech Republic
Heifer intensity of growth and development average daily live weight gain milk yield reproduction Holstein cattle
2015/6/4
The objective of the study was to determine the effect of growth and development intensity in Holstein replacement heifers on economically important animal traits. The intensity of growth was assessed...
Relationships between conformation traits and longevity of Holstein cows in the Czech Republic
Holstein cows longevity type traits correlations
2015/6/2
The relationships between conformation traits and longevity traits were analyzed in 41 489 Holstein cows born in the years 1994–1999 which were culled by 30th June 2005. Pearson correlation coefficien...
Selection index for bulls of Holstein cattle in the Czech Republic
selection index Holstein cattle bulls
2015/6/1
Complex selection indexes are proposed for bulls of Holstein cattle in the Czech Republic. Partial breeding values for milk performance, fertility and body conformation are combined in the index. Conf...
Genotyping of bovine viral diarrhoea virus isolates from the Czech Republic
BVDV phylogenetic analysis genotyping cattle
2015/4/1
This study was focused on the genetic typing of bovine viral diarrhoea virus (BVDV) isolates obtained from 41 serum samples of persistently infected cattle in the Czech Republic in the period of 2004 ...