搜索结果: 1-15 共查到“农学 Holstein-Friesian”相关记录15条 . 查询时间(0.062 秒)
Genetic correlations between type traits of young Polish Holstein-Friesian bulls and their daughters
dairy cattle conformation traits
2015/7/7
The objective of this study was to evaluate the usefulness of young bulls’ conformation scores
in a national type evaluation system. For this purpose the genetic correlations between conformation tr...
Association of insulin-like growth factor I gene polymorphisms (IGF1/TasI and IGF1/SnaBI) with the growth and subsequent milk yield of Polish Holstein-Friesian heifers
cattle body weight insulin-like growth factors milk performance
2015/6/24
The aim of this study was to estimate potential relationships between insulin-like growth factor I gene polymorphisms (IGF1/TasI and IGF1/SnaBI) and the growth parameters of calves as well as their su...
Association of novel polymorphisms in the bovine myocyte enhancer factor 2D (MEF2D) gene with carcass traits of Polish Holstein-Friesian cattle
MEF2D gene gene polymorphism combined genotype meat contents bulls
2015/6/24
In the present study the polymorphism of the myocyte enhancer factor 2D (MEF2D) gene was analyzed as a genetic marker candidate for carcass traits in Polish Holstein-Friesian cattle. Four novel single...
Genetic parameters of test-day somatic cell scores for the first three lactations of Polish Holstein-Friesian cattle
heritability genetic correlation somatic cell count dairy cattle
2015/6/9
Genetic parameters for somatic cell score in the first three lactations of Polish Holstein-Friesian cattle were estimated. A multiple-lactation model was applied with random herd-test-day effect, fixe...
The association between microsatellite Bm6438 and milk performance traits in Polish Holstein-Friesian cattle
cattle Polish Holstein-Friesian breed BM6438 polymorphism milk performance traits
2015/6/9
The objective of this study was to verify the hypothesis postulating the location of QTL linked marker for milk performance traits in the proximal section of chromosome BTA1 by analyzing the microsate...
An association of C/T polymorphism in exon 2 of the bovine insulin-like growth factor 2 gene with meat production traits in Polish Holstein-Friesian cattle
IGF2 cattle polymorphism imprinting meat traits
2015/6/8
The effect of the insulin-like growth factor 2 (IGF2) gene polymorphism – a g.292C>T transition in exon 2 on feed uptake and conversion, growth rates, and meat production traits in Polish Holstein-Fri...
A comparison of Holstein Friesian, Brown Swiss and Eastern Anatolian Red cattle slaughtered in Turkey for carcass conformation and fatness in SEUROP system
SEUROP classification conformation fleshiness
2015/6/5
The study was conducted to compare the carcass conformation and fatness of common slaughter cattle breeds in Turkey. A total of 878 carcasses from pure Holstein Friesian (HF, n = 381), pure Brown Swis...
Immunohistochemical profile of multicentric cutaneous epitheliotropic T-cell lymphoma with generalised lymphadenopathy in a Holstein-Friesian cow: a case report
cattle cutaneous epitheliotropic lymphoma T-cell lymphoma immunohistochemistry
2015/4/16
Cutaneous epitheliotropic T-cell lymphoma with progression to superficial and internal lymph nodes and the spleen was diagnosed in a two-year-old Holstein-Friesian cow. The skin lesions included multi...
Twin mummified foetuses in a Holstein Friesian cow: a case report
cow twin mummification oestrous synchronisation pregnancy
2015/4/15
Mummification of the bovine foetus is rare in cows. There is currently limited data available on the success of pregnancies following expulsion of mummified foetuses, especially after expulsion of twi...
Testicular Cell Indices and Peripheral Blood Testosterone Concentrations in Relation to Age and Semen Quality in Crossbred (Holstein Friesian×Tharparkar) Bulls
Fine Needle Aspiration Cytology Testicular Cytogram Testicular Cell Indices Crossbred Bulls
2016/5/17
Present study analyzed the changes in peripheral blood testosterone concentrations and testicular cytogram in relation to age and semen quality in crossbred males. Three different age groups of crossb...
Effects of Cooling and Exogenous Bovine Somatotropin on Hematological and Biochemical Parameters at Different Stages of Lactation of Crossbred Holstein Friesian Cow in the Tropics
Cooling Recombinant Bovine Somatotropin Hematology Blood Chemistry Crossbred Holstein Freisian
2016/5/6
Effects of cooling and supplemental recombinant bovine somatotropin (rbST) on hemato-biochemical characteristics were studied at different stages of lactation of crossbred Holstein Friesian cows in a ...
Carcass Characteristics and Chemical Composition of the Longissimus Muscle of Nellore, Caracu and Holstein-friesian Bulls Finished in a Feedlot
Beef Breed Carcass Chemical Composition Longissimus Muscle
2016/4/29
This work was carried out to study the carcass characteristics, the chemical composition and the fatty acid profile in Longissimus muscle (LM) of bull breeds Nellore, NEL (11), Caracu, CAR (12) and Ho...
Relationships among milk production, reproductive traits, and herd life for Tunisian Holstein-Friesian cows
Milk production reproductive traits herd life dairy cattle.
2009/3/3
The objective of this study was to link productive life of Tunisian dairy cows to their performances of milk, fat, and protein yields and fertility traits. Data included 128,652 records collected fr...
Interrelationships of growth hormone AluI polymorphism, insulin resistance, milk production and reproductive performance in Holstein-Friesian cows
growth hormone AluI polymorphism dairy cow
2015/3/17
Healthy multiparous Holstein-Friesian cows (n = 22, parity: 2–4) from a large-scale dairy herd in
Hungary were subjected to an intravenous glucose tolerance test 10–15 days after calving. AluI genot...
Coefficients of relationship and inbreeding among Finnish Ayrshire and Holstein-Friesian
Ayrshire Holstein-Friesian inbreeding relationship generation interval
2010/8/13
Pedigree data from national breeding value evaluations were used in calculation of the coefficient and rate of inbreeding, average coefficient and rate of relationship and generation intervals for the...