Holstein-Friesian
Immunological effects of altering the concentrate inclusion level in a grass silage based diet for early lactation Holstein Friesian cows
... yielding Holstein Friesian cows managed on a grass silage-based diet, concentrate inclusion levels in early lactation affects performance but has no effect on neutrophil or lymphocyte immune ...
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Selection Criteria for Holstein Friesian and Crossbreed Dairy Cattle Objective Traits in Ethiopia
... the Holstein Friesian dairy cattle producers, the selection criteria for milk composition for crossbreed dairy cattle producers, were milk yield and milk col- or with an overall index value of ...African ...
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Genetic correlations between type traits of young Polish Holstein Friesian bulls and their daughters
... Data were provided by the Polish Federation of Cattle Breeders and Dairy Farmers and extracted from the SYMLEK National Milk Recording System. Conformation data comprising 10 type traits were available for 933 young ...
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Supply curves for yields of dairy products from first lactation Holstein Friesian, Jersey and Holstein Friesian Jersey crossbred cows accounting for seasonality of milk composition and production
... first-lactation Holstein Friesian (F), Jersey (J) and Holstein Friesian-Jersey crossbred (FxJ) cows were used as inputs in a deterministic simulation model to produce seasonal curves for daily ...
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Modelling the effect of stocking rate on the lactation profiles of grazing Holstein Friesian dairy cows using cubic splines
... Holmes, L. 1996. Maximise your pasture utilisation. New Zealand Dairy Exporter. Vol. 27, No.4, pp. 26–27. Horan, B., P. Dillon, D.P. Berry, P. O’Connor, and M. Rath. 2005. The effect of strain of ...
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Interrelationships of growth hormone AluI polymorphism, insulinresistance, milk production and reproductive performance in Holstein Friesian cos
... 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 ...that ...
13
Genome wide associations for milk production and somatic cell score in Holstein Friesian cattle in Ireland
... 1,957 Holstein-Friesian AI sires with progeny in Ireland were genotyped in this study; the sires were representative of the germplasm used in Irish dairy herds in past ...
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Genetic relationship between lactation persistency and conformation traits in Polish Holstein Friesian cow population
... The estimates of heritabilities of leg traits were consistent with those reported by Ptak et al. (2011) and Zavadilova and Stipkova (2012), and lower than obtained by Misztal et al. (1992), Berry et al. (2004), Lassen ...
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Association between growth rates, age at first calving and subsequent fertility, milk production and survival in Holstein Friesian heifers
... UK Holstein-Friesian heifers; Study 1 comprised 134 consecutively born heifers from the same herd (AFC 764 ± 8 days) and Study 2 contained 445 heifers born on 17 farms (AFC 796 ± 6 ...
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Reproduction and fertility parameters of dairy cows supplemented with monounsaturated fatty acid rich canola oil : mRNA gene expression
... The lack of changes in the LH concentration during the fat supplementation found in the present study is in agreement with that reported previously (Lucy et al., 1991). However, contrasting this study is that of Sklan et ...
233
Association of novel polymorphisms in the bovine myocyte enhancer factor 2D (MEF2D) gene with carcass traits of Polish Holstein Friesian cattle
... by binding the 3’UTRs of the mRNA target and disrupting mRNA translation and stability (Zhao et al., 2005). Moreover, recent evidence suggests that MEF2 proteins, along with calcineurin, are responsible for the formation ...
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The association between microsatellite Bm6438 and milk performance traits in Polish Holstein Friesian cattle
... Polish Holstein-Friesian primiparous cows, the progeny of three unrelated sires, including 317 cows ‒ the progeny of two sires with 256/268 genotype and 167 cows – the progeny of a sire with 258/268 ...
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A study of the interactions between Holstein Friesian genotypes and feeding systems, with emphasis on system performance and cow grazing ability : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Animal Science, Institute of Veterinary, Animal and Biomedical Sciences, Massey University, New Zealand
... The data used in this chapter is derived from the long term 'system' experiment described in Chapter 5 which started in 200 1 and lasted three complete seasons. This study compared the productivity of three different ...
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A Genome Wide Association Scan of Bovine Tuberculosis Susceptibility in Holstein Friesian Dairy Cattle
... Estimated breeding values (EBV), which are estimates of genetic merit for an animal for a given phenotype were calculated, using a sire model, in ASREML [43] from 14,013 Irish Holstein-Friesian cows with ...
7
Genetic parameters of test day somatic cell scores for the first three lactations of Polish Holstein Friesian cattle
... a routine genetic evaluation for the Polish Holstein- Friesian population. Due to the advantages of test day over lactation model, it should allow for more efficient genetic improvement of the udder health. ...
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Association between Single Nucleotide Polymorphism in RelA with Somatic Cell Count and Longevity Supports Importance of NF κB Signalling in Cattle Health
... These results show that the RELA SNP rs48035703 was significantly associated with both survival time and SCC in a population of British Holstein Friesian cows. This region on BTA29 has not previously been ...
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Genetic diversity and population structure of four cattle breeds raised in Turkey using microsatellite markers
... breeding Holstein Frie- sian due to their high performance. The use of Holstein Friesian semen in artificial insemina- tion caused a decrease in the number and purity of Turkish native cattle ...
9
Influence of Supplementing Pasture Based Primiparous Holstein Friesian Dairy Cows with Crude Degummed Canola Oil on Milk Fatty Acid Composition
... purebred Holstein-Friesian cows (average live-weight of 400 ± 40 Kg, BCS4 ± 1 and 40 ± 8 DIM) were randomly allocated into 1 of 4 treatments of CDCO (25ml/ Kg DM, 35ml/ Kg DM and 50ml/ Kg DM) and the ...
12
Methane emissions from dairy heifers as affected by residual feed intake and breed : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Animal Science at Massey University, Manawatū, New Zealand
... Figure 4.9. Methane yield (g/kg DMI) of four groups of dairy heifers representing two breeds (Holstein-Friesian and Jersey) and two previously determined RFI categories (High: +2.0 kg DM; Low: -2.1 kg DM). ...
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The relationships between the somatic cell counts in the milk and the fertility of Polish Holstein-Friesian cows
... Polish Holstein- Friesian primiparous cows (the Black-and-White variety) under the milk recording scheme in the Pomerania and Kujawy regions; the second lac- tation cows amounted to 33 060, in 1835 ...
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