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Showing 1 to 3 of 3 for “"Icelandic Cattle"”.
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Genetic Parameters for Udder and Teat. Type Traits in Icelandic Cattle Breed
… teat thickness, teat position and teat tip of Icelandic Cattle have been described on a linear scale since 1995. Udder and teats now weigh 20% in Icelandic Cattle’s total merit index, but udder balance, teat structure and teat tip are not included in breeding value estimations. The main …
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Genetic variation within the Icelandic cattle breed: assessment using microsatellites and analysis of single nucleotide polymorphisms in the Leptin and DGAT1 genes
… study estimates genetic variation within the Icelandic cattle breed using two approaches. The data consisted of genomic DNA samples from 100 heifers in first pregnancy collected at 45 dairy farms located in the four major dairy regions in Iceland. First, the samples were genotyped with a set …
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Genetic Parameters and Genetic Trends of Female Fertility in Icelandic Dairy Cattle
… has been included in the genetic evaluation of Icelandic dairy cattle since 1993. In spite of this an unfavourable genetic trend is seen and, recent implementation of test-day models for the genetic evaluation of milk production has changed the premise of using calving interval to represent …