Search Results - "Holstein Friesian cattle"

Genetic evaluation of the performance of holstein friesian cattle on large-scale dairy farms in Malawi. by Chagunda, Mizeck G.G.

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Potential genetic gain in dairy production of Holstein Friesian cattle applying a selection index by Chagunda, Mizeck G.G., Wollny, C.B.A., Bruns, E.W.

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Analysis of early survival of Holstein-Friesian heifers of diverse sire origins on commercial dairy farms in Kenya by Menjo, D.K., Bebe, B.O., Okeyo Mwai, Ally, Ojango, Julie M.K.

“…The use of imported semen within the Holstein-Friesian cattle population in Kenya has contributed to increased milk production per cow, however, information on how this has impacted on functional traits, particularly early life survival and reproductive performance is scarce. …”
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The influence of cattle breed on susceptibility to bovine tuberculosis in Ethiopia by Vordermeier, M., Ameni, G., Berg, S., Bishop, Richard P., Robertson, B.D., Aseffa, A., Hewinson, R.G., Young, D.B.

“…We discuss the findings of recent epidemiological and immunological studies conducted in Ethiopia on host susceptibility differences between native zebu and the exotic Holstein–Friesian cattle that are increasingly part of the Ethiopian National herd, due to the drive to increase milk yields. …”
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Pasture use and management strategies in the Ankole pastoral system in Uganda by Roschinsky, R., Mulindwa, H., Galukande, E., Wurzinger, Maria, Mpairwe, D.R., Okeyo Mwai, Ally, Sölkner, Johann

“…The Bahima ethnic group have been crossbreeding autochthonous Ankole with Holstein-Friesian cattle. Separate herds (pure Ankole and crossbreds) are common. …”
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A method to discriminate between closely related bovine major histocompatibility complex class I alleles by combining established PCR-SSP assays with RFLPs by Svitek, Nicholas, Nzau, Benjamin M., Steinaa, Lucilla, Nene, Vishvanath M.

“…We have developed a polymerase chain reaction-sequence-specific primers-restriction fragment length polymorphism (PCR-SSP-RFLP) method to rapidly differentiate between the A18 and A18 variant (v) BoLA haplotypes and between A14 and A15/A15v BoLA haplotypes in Holstein/Friesian cattle. We used published SSP to PCR amplify BoLA alleles expressed in animals of known haplotype and exposed the amplicons to the restriction enzyme PvuII that was predicted to cut at a unique site in the middle of BoLA-6*01302 (A18v) and BoLA-1*00901(A15) but not in BoLA-6*01301 (A18) or BoLA-1*02301 (A14) alleles. …”
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BoLA-6*01301 and BoLA-6*01302, two allelic variants of the A18 haplotype, present the same epitope from the Tp1 antigen of Theileria parva by Svitek, Nicholas, Awino, Elias, Nene, Vishvanath M., Steinaa, Lucilla

“…We have recently shown that the BoLA-A18 variant haplotype (BoLA-6*01302) is more prevalent than the BoLA-A18 haplotype (BoLA-6*01301) in a sample of Holstein/Friesian cattle in Kenya. These MHC class I allelic variants differ by a single amino acid polymorphism (Glu97 to Leu97) in the peptide-binding groove. …”
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Effect of milk yield-based selection on some reproductive traits of Holstein Friesian cows on large-scale dairy farms in Malawi by Chagunda, Mizeck G.G., Bruns, E.W., Wollny, C.B.A., King, H.M.

“…To do this an analysis was done using 2362 records of purebred Holstein Friesian cattle kept in Central and Southern Malawi from 1986 to 1996. …”
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Lessons learned from the Boran Cattle Improvement Programme at Adami Tulu and Abernossa Cattle Multiplication and Improvement Centre in Ethiopia by Tegegne, Azage

“…Activities were expanded to include a crossbreeding programme with Holstein Friesian cattle to produce in-calf crossbred heifers for distribution to farmers interested in dairy Development. …”
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Sweet potato (Ipomoea batatas) vine silage: A cost-effective supplement for milk production in smallholder dairy-farming systems of East Africa? by Gakige, Jesse K., Gachuri, C., Butterbach-Bahl, Klaus, Goopy, John P.

“…Methods Multiparous Holstein–Friesian cattle (n = 12) were given a basal diet of Napier grass (Pennisetum purpureum cv. …”
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Case study: phenotypic and economic effect of crossbreeding in a Swedish red and white dairy cattle herd by Ekenberg, Victoria

“…Many studies have compared crossbreeding effects for Holstein Friesian cattle but from a Swedish perspective the second largest breed Swedish Red dairy cattle, is of interest as well. …”