We considered the analysis of a study for Dorper, Red Maasai and crossbred lambs born over a period of 6 years at the Diani Estate, Kenya. The study was designed to compare survival and performance traits of genotypes with differing susceptibilities to helminthiasis. The available data include in...
Nguti, R.
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Burzykowski, T.
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Rowlands, G.J.
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Renard, D.
,
Janssen, P.
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[Joint modelling of repeated measurements and event time: Application to performance traits and survival of lambs bred in sub-humid tropics]
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Joint modelling of repeated measurements and event time: Application to performance traits and survival of lambs bred in sub-humid tropics
Resistance to nematode parasites can be improved by selection, but efforts to include appropriate traits in commercial livestock breeding programs are only a recent development. Procedures for including resistance in breeding programs are similar to those involving other traits. The steps are des...
Woolaston, R.R.
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Baker, R.L.
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[Prospects of breeding small ruminants for resistance to internal parasites]
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Prospects of breeding small ruminants for resistance to internal parasites
This study was undertaken to investigate the relationship between date of birth and growth performance of calves born to seasonally-bred range cows. Late born calves exhibited an apparent superiority in preweaning growth over that of their early-born counterparts. This was attributed to a positiv...
Rege, J.E.O.
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Moyo, Siboniso
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[Effect of birth date on growth performance of calves of seasonally-bred range cattle]
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Effect of birth date on growth performance of calves of seasonally-bred range cattle
An original data set of 31, 661 lactation records of Kenyan Friesian cows covering the period 1968 through 1987 was used to develop part-lactation extension factors for milk yield, and to estimate genetic parameters for production and reproductive traits. Effects of herds and year were significan...
Rege, J.E.O.
,
[Genetic analysis of reproductive and productive performance of Friesian cattle in Kenya. I. Genetic and phenotypic parameters]
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Genetic analysis of reproductive and productive performance of Friesian cattle in Kenya. I. Genetic and phenotypic parameters
The Kenya Livestock Recording Centre progeny testing data base covering the period 1968 through 1987 was used to estimate genetic and phenotypic trends in Friesian cattle for milk yield of all lactations, first lactation milk yield, age at first calving, and calving interval. Annual genetic and p...
Rege, J.E.O.
,
[Genetic analysis of reproductive and productive performance of Friesian cattle in Kenya. II. Genetic and phenotypic trends]
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Genetic analysis of reproductive and productive performance of Friesian cattle in Kenya. II. Genetic and phenotypic trends
Assessments of the stability as well as the performance of plant genotypes across diverse environmental conditions are important to plant breeders and agronomists as tools for selecting superior cultivars for the target environments. In this study, the shortcomings of fitted response as an indica...
Kamidi, R.E.
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[Relative stability, performance, and superiority of crop genotypes across environments]
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Relative stability, performance, and superiority of crop genotypes across environments
The paper first describes interleukin-12 P35 encoding gene and discusses its role. It then looks into PCR conditions and sequencing; genotyping; sequencing; polymorphism frequency; mendelian inheritance; chromosomal location in sheep and cattle of different species.
Schmidt, P.
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Kuhn, C.
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Kang'a, S.
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Hanotte, Olivier H.
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Vanselow, J.
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Anton, I.
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Langner, Ch
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Schwerin, M.
,
[Interleukin - 12 p35 encoding gene of cattle and sheep harbours a polymorphic T stretch in intron 4]
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Interleukin - 12 p35 encoding gene of cattle and sheep harbours a polymorphic T stretch in intron 4
Most banana cultivars are triploid seedless parthenocarpic clones derived from hybridization between Musa acuminata subspecies and sometimes M. balbisiana. M. acuminata subspecies were suggested to differ by a few large chromosomal rearrangements based on chromosome pairing configurations in inte...
Martin, G.
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Carreel, F.
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Coriton, O.
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Hervouet, C.
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Cardi, C.
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Derouault, P.
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Roques, D.
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Salmon, F.
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Rouard, M.
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Sardos, J.
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Labadie, Karine
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Baurens, F.C.
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D’Hont, A.
,
[Evolution of the banana genome (Musa acuminata) is impacted by large chromosomal translocations]
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Evolution of the banana genome (Musa acuminata) is impacted by large chromosomal translocations
Compares the performance of Landim and Blackhead Persian sheeLarger litter size of Landim sheep compared to Blackhead Persian and BHP X Landim, and similar parturition intervals in each genotype resulted in greater annual output of young in the Landim than in BHP or in BHP X Landim. Weights of al...
Rocha, A.
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McKinnon, D.
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Wilson, R.T.
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[Comparative performance of Landim and Blackhead Persian sheep in Mozambique]
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Comparative performance of Landim and Blackhead Persian sheep in Mozambique
The pattern of growth and carcass composition of indigenous Ethiopian fat tailed Menz and Horro lambs were assessed through serial slaughter and carcass dissection of 147 lambs at five different growth phases. The GLM procedure of Statistical Analysis Systems Institute and allometric growth equat...
Eneyew, N.
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Rottmann, O.J.
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Pirchner, F.
,
Rege, J.E.O.
,
[Growth and carcass composition of tropical fat-tailed Menz and Horro sheep breeds]
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Growth and carcass composition of tropical fat-tailed Menz and Horro sheep breeds