Search Results - "Brickell, J.S"

A descriptive study of the survival of Holstein-Friesian heifers through to third calving on English dairy farms by Brickell, J S, Wathes, D C

“…A short herd lifespan severely limits opportunities for on-farm selection of breeding cows in addition to causing financial losses on dairy farms and…”
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Mortality in Holstein-Friesian calves and replacement heifers, in relation to body weight and IGF-I concentration, on 19 farms in England by Brickell, J. S., McGowan, M. M., Pfeiffer, D. U., Wathes, D. C.

“…The incidence of mortality and culling in Holstein-Friesian heifers from birth through first calving was determined on 19 dairy farms selected from across…”
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Evidence that leptin genotype is associated with fertility, growth, and milk production in Holstein cows by Clempson, A M, Pollott, G E, Brickell, J S, Bourne, N E, Munce, N, Wathes, D C

“…This study investigated associations between single nucleotide polymorphisms (SNP) in the leptin, leptin receptor, and neuropeptide Y (NPY) genes with growth,…”
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Factors influencing heifer survival and fertility on commercial dairy farms by Wathes, D. C., Brickell, J. S., Bourne, N. E., Swali, A., Cheng, Z.

“…The average dairy cow survives only three lactations, reducing the availability of replacement heifers. Prenatal losses occur due to early embryonic mortality…”
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Effect of management factors and blood metabolites during the rearing period on growth in dairy heifers on UK farms by Brickell, J.S., McGowan, M.M., Wathes, D.C.

“…Growth rates during rearing affect the age and body weight (BW) of replacement heifers at first calving. Diet and disease can affect growth via altered…”
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Polymorphisms in the autosomal genes for mitochondrial function TFAM and UCP2 are associated with performance and longevity in dairy cows by Clempson, A. M., Pollott, G. E., Brickell, J. S., Bourne, N. E., Munce, N., Wathes, D. C.

“…The autosomal genes mitochondrial transcription factor A (TFAM) and uncoupling protein 2 (UCP2) are both involved in moderating mitochondrial energy…”
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Effect of growth and development during the rearing period on the subsequent fertility of nulliparous Holstein-Friesian heifers by Brickell, J.S., Bourne, N., McGowan, M.M., Wathes, D.C.

“…This study investigated the effect of growth parameters and metabolic indices during the rearing period on the fertility of nulliparous Holstein-Friesian…”
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Association between Neospora caninum seropositivity and perinatal mortality in dairy heifers at first calving by Brickell, J. S., McGowan, M. M., Wathes, D. C.

“…Associations between Neospora caninum infection and the reproductive performance of dairy heifers in their first and second pregnancy on 18 UK farms were…”
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Polymorphisms in the bovine leptin gene associated with perinatal mortality in Holstein-Friesian heifers by Brickell, J S, Pollott, G E, Clempson, A M, Otter, N, Wathes, D C

“…Leptin is an important regulator of fetal and placental growth. This study evaluated the association of single nucleotide polymorphisms (SNP) in the leptin…”
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Serotype 1 and 2 Bovine Noroviruses Are Endemic in Cattle in the United Kingdom and Germany by Oliver, S.L, Wood, E, Asobayire, E, Wathes, D.C, Brickell, J.S, Elschner, M, Otto, P, Lambden, P.R, Clarke, I.N, Bridger, J.C

“…The genomically and antigenically distinct bovine noroviruses Bo/Jena/1980/DE and Bo/Newbury2/1976/UK have been associated with calf diarrhea. In the present…”
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