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An economic impact of inbreeding in the purebred population of Pinzgau cattle in Slovakia on milk production traits
endangered breed selection index breeding value inbreeding
2015/6/4
An increase of inbreeding in a small, endangered population is one of the important criterions in the evaluation of the degree of endangerment of the given breed. The aim was to determine an economic ...
Study of SNP 775C>T polymorphism within the bovine ITGB2 gene in Polish Black-and-White cattle and in local breeds of cattle
BLAD carriers point mutation lethal genes SNP 775 C>T polymorphism
2015/6/4
The present study addresses the characteristics of the frequency and segregation of alleles determining the SNP 775C>T polymorphism within the bovine ITGB2 gene in the Black-and-White cattle populatio...
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...
Selection indexes for bulls of beef cattle
beef cattle bulls genetic parameters genetic gain breeding values breeding objective selection indexes
2015/6/2
Three selection indexes were constructed for bulls of beef cattle: IM for terminal crossing (in dairy herds), IZ for the selection of foundation sires for beef herd and IS for the selection of bulls f...
Fatty acids and composition of their important groups in milk fat of Czech Pied cattle
Czech Pied cattle milk fat fatty acid proportion
2015/6/2
In 2003, 2004 and 2005 milk fat composition was determined three times in 55 dairy cows of Czech Pied cattle housed in a byre with stanchions and fed under conditions usual on Czech production farms. ...
Association between aggressive behaviour and high-energy feeding level in beef cattle
beef cattle level of feeding aggression social behaviour animal welfare
2015/6/2
The aim of this study was to investigate an association between aggressiveness and high level of feeding in a half-open feedlot production system. An experiment was conducted on 72 head of beef cattle...
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...
The ambiguity of freemartinism diagnosis in cattle revealed by cytogenetic and molecular techniques
intersexuality freemartinism XX/XY chimerism
2015/6/1
Nineteen heifers and three male co-twins, originating from heterosexual twin pregnancies, were analysed with the use of cytogenetic and molecular techniques. A large number (50–400) of Giemsa stained ...
Main sources of the economic efficiency of beef cattle production systems
beef cattle production systems marketing strategies
2015/6/1
The economic efficiency of several beef production systems on pasture was investigated under different marketing strategies. All calculations were carried out with the computer program ECOWEIGHT. None...
Single nucleotide polymorphism (SNP) in the 5?noncoding region of the bovine growth hormone receptor gene and its association with dairy production traits in Polish Black-and-White cattle
cattle GHR gene
2015/6/1
The effects of cow抯 genotype for growth hormone receptor (GHR) were determined on milk production traits of the Polish Black-and-White (BW) cattle. It was shown that GHR genotypes significantly influe...
Effects of Dietary Restriction on the Expression of Lipid Metabolism and Growth Hormone Signaling Genes in the Longissimus dorsi Muscle of Korean Cattle Steers
Dietary Restriction Korean Cattle Steers Gene Expression Longissimus Muscle
2016/5/18
This study determined the effects of dietary restriction on growth and the expression of lipid metabolism and growth hormone signaling genes in the longissimus dorsi muscle (LM) of Korean cattle. Thir...
The Technical and Financial Effects of Parenteral Supplementation with Selenium and Vitamin E during Late Pregnancy and the Early Lactation Period on the Productivity of Dairy Cattle
Reproductive Parameters Partial Budget Analysis Dairy Cattle
2016/5/18
This study aimed to determine the effects of parenteral selenium (Se) and vitamin E supplementation on economic impact, milk yield, and some reproductive parameters in high-yield dairy cows in the dry...
Gene Expression Patterns Associated with Peroxisome Proliferator-activated Receptor (PPAR) Signaling in the Longissimus dorsi of Hanwoo (Korean Cattle)
Intramuscular Fat Korean Cattle Gene Expression Expression Network
2016/5/18
Adipose tissue deposited within muscle fibers, known as intramuscular fat (IMF or marbling), is a major determinant of meat quality and thereby affects its economic value. The biological mechanisms th...
Multiple Linkage Disequilibrium Mapping Methods to Validate Additive Quantitative Trait Loci in Korean Native Cattle (Hanwoo)
Single Nucleotide Polymorphism Hanwoo Carcass Quality
2016/5/18
The efficiency of genome-wide association analysis (GWAS) depends on power of detection for quantitative trait loci (QTL) and precision for QTL mapping. In this study, three different strategies for G...
Ex vivo Digestion of Milk from Red Chittagong Cattle Focusing Proteolysis and Lipolysis
Gastric Digestion Duodenal Digestion αs1-Casein β-Lactoglobulin Peptide Fatty Acid
2016/5/18
Ex vivo digestion of proteins and fat in Red Chittagong Cattle milk from Bangladesh was carried out using human gastrointestinal enzymes. This was done to investigate the protein digestion in this bov...