搜索结果: 1-15 共查到“畜牧学 landrace”相关记录23条 . 查询时间(0.095 秒)
Placental characteristics of German Landrace sows and their relationships to different fertility parameters
pig placenta fecundity placental efficiency litter number litter size
2018/11/23
The placenta is the central foetal organ that ensures a sufficient exchange of nutrients and metabolites for adequate foetal growth. Specific data profiles for placental characteristics from modern pi...
Validation of selection accuracy for the total number of piglets born in Landrace pigs using genomic selection
Genomic Selection Total Number of Piglets Born Landrace
2017/3/8
This study was to determine the relationship between estimated breeding value and phenotype information after farrowing when juvenile selection was made in candidate pigs without phenotype information...
Estimation of Genetic Parameters and Trends for Length of Productive Life and Lifetime Production Traits in a Commercial Landrace and Yorkshire Swine Population in Northern Thailand
Genetic Parameters Length of Productive Life Lifetime Production Traits Swine Tropics
2016/11/10
The objective of this research was to estimate genetic parameters and trends for length of productive life (LPL), lifetime number of piglets born alive (LBA), lifetime number of piglets weaned (LPW), ...
Effect of service sire on litter size traits in Czech Large White and Landrace pigs
pig litter size traits genetic parameters
2015/6/23
The proportion of variance for service sire was in the range from
2 to 3% (standard error approx. 0.2%) in Czech Large White and 2% (standard error approx. 0.3%) in Czech
Landrace for all thr...
Genetic parameters including the service sire effect for the sow traits stillbirth and piglet losses in Czech Large White and Landrace
pig reproduction
2015/6/23
Genetic parameters including the proportion of variance for the service sire effect were estimated
for number of piglets stillborn (including piglets died until 24 h after birth) and number of pigle...
Effects in genetic evaluation for semen traits in Czech Large White and Czech Landrace boars
pig boar semen traits breeding value estimation
2015/6/8
Data on 75 567 ejaculates from 1 417 boars of the breeds Czech Large White and Czech Landrace collected in 23 AI centres between 2000 and 2007 were analyzed. Fixed effects were estimated from a four-t...
SNP detection in the porcine PPARGC1A promoter region and 3’UTR, and an association analysis in a Landrace-Duroc-Yorkshire population
association analysis fat deposition meat quality pig
2015/6/8
Meat quality is of increasing economic importance to the pork industry today, which is in contrast with the more traditional focus of pig selection for lean growth. Meat quality is however determined ...
Developmental patterns of FASN and LIPE mRNA expression in adipose tissue of growing Jinhua and Landrace gilts
gilt carcass fat content FASN LIPE gene expression RT-PCR
2015/6/8
The present study was aimed to investigate the developmental patterns of FASN (fatty acid synthase) and LIPE (lipase, hormone-sensitive) mRNA in adipose tissue in pigs of different breeds and the rela...
A relationship between the PCR-RFLP polymorphism in porcine MYOG, MYOD1 and MYF5 genes and microstructural characteristics of m. longissimus lumborum in Pietrain × (Polish Large White × Polish Landrace) crosses
MyoD genes muscle fibres pig
2015/6/5
Muscle fibre formation takes place during embryonic development and is regulated by the MyoD gene family, which consists of four genes, MYOD1, myogenin, MYF5 and MRF4. A relationship was studied betwe...
Fat, meat quality and sensory attributes of Large White × Landrace barrows fed with crude glycerine
pig pork quality glycerol by-product stearic acid
2014/10/28
The use of alternative raw materials like crude glycerine in animal feed to reduce final costs could be of interest as the sector seeks to increase its competitiveness. The aims of the present work we...
Comparison of Live Performance and Meat Quality Parameter of Cross Bred (Korean Native Black Pig and Landrace) Pigs with Different Coat Colors
Carcass Weight Muscle Fiber Characteristics Crossbred Pig Pork Quality
2016/5/12
Five hundred and forty crossbred (Korean native black pig×Landrace) F2 were selected at a commercial pig farm and then divided into six different coat color groups: (A: Black, B: White, C: Red, D: Whi...
Effect of Fibre Level and Fibre Source on Gut Morphology and Micro-environment in Local (Mong Cai) and Exotic (Landrace×Yorkshire) Pigs
Genotype Dietary Fibre Lactic Acid Bacteria Organic Acids Villi
2016/5/11
The effect of genotype, fibre level and fibre source on gut morphology, environment and microflora was studied using 18 Mong Cai (MC) and 18 Landrace×Yorkshire (LY) pigs, aged around 60 d. The diets w...
Detection of Mendelian and Parent-of-origin Quantitative Trait Loci for Meat Quality in a Cross between Korean Native Pig and Landrace
QTL Meat Quality Trait Korean Native Pig Landrace Parent-of-origin
2016/5/9
This study was conducted to detect quantitative trait loci (QTL) affecting meat quality in an F2 reference population of Korean native pig and Landrace crossbreds. The three-generation mapping populat...
CHROMOSOMAL POLYMORPHISM IN THE POLISH LANDRACE AND POLISH LARGE WHITE SWINE BREEDS
polimorfi zm chromosomy lochy
2010/12/7
The evaluation referred to polymorphism of heterosomes and autosomes and it was based on measuring their areas in the Polish Landrace and Polish Large White breed sows. The average surface area of sex...
Associations between Alu I Polymorphism in the Prolactin Receptor Gene and Reproductive Traits of Slovak Large White, White Meaty and Landrace Pigs
Prolactin Receptor Gene PRLR Reproductive Traits Litter Size Pigs
2016/4/27
We investigated the effect of the prolactin receptor gene (PRLR) on total number of born (TNB), number of born alive (NBA) and number of weaned (NW) piglets in Large White (LW), White Meaty (WM) and L...