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Inbreeding depression in Leccese sheep
Small Ruminant Research, 2010Three closed flocks of Leccese sheep reared in southern Italy were used to study the effects of inbreeding on productive and reproductive performances. All the animals were grouped into three classes according to the inbreeding coefficients obtained by their pedigree: the first class included non-inbred animals (F = 0%); and the second and third ...
SELVAGGI M. +5 more
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Effect of rate of inbreeding on inbreeding depression in Drosophila melanogaster
Theoretical and Applied Genetics, 1989This experiment was designed to study the relationship between rate of inbreeding and observed inbreeding depression of larval viability, adult fecundity and cold shock mortality in Drosophila melanogaster. Rates of inbreeding used were full-sib mating and closed lines of N=4 and N=20. Eight generations of mating in the N=20 lines, three generations in
N G, Ehiobu, M E, Goddard, J F, Taylor
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ANCESTRAL INBREEDING REDUCES THE MAGNITUDE OF INBREEDING DEPRESSION IN DROSOPHILA MELANOGASTER [PDF]
Evolution; International Journal of Organic Evolution, 2006 The influence of natural selection on the magnitude of inbreeding depression is an important issue in conservation biology and the study of evolution. It is generally expected that the magnitude of inbreeding depression in small populations will depend upon the average homozygosity of individuals, as measured by the coefficient of inbreeding (F ...
William R Swindell, Juan L Bouzat
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Simultaneous inbreeding modifies inbreeding depression in a plant–herbivore interaction
Ecology Letters, 2013AbstractBecause inbreeding is common in natural populations of plants and their herbivores, herbivore‐induced selection on plants, and vice versa, may be significantly modified by inbreeding and inbreeding depression. In a feeding assay with inbred and outbred lines of both the perennial herb, Vincetoxicum hirundinaria, and its specialist herbivore ...
Kalske, Aino +6 more
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Inbreeding depression and the cost of inbreeding on seed germination
Seed Science Research, 2015AbstractWe review the literature on effects of inbreeding depression (ID) on seed germination for 743 case studies of 233 species in 64 families. For 216 case studies, we also review the relationship between mass and germination in inbred vs. outbred seeds.
Jerry M. Baskin, Carol C. Baskin
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Inbreeding and outbreeding depression in Daphnia
Oecologia, 1993Egg-to-adult viability of sexual offspring in Daphnia magna is lower for selfed (average: 43.0%) than for outcrossed families (average: 74.7%). This suggests that intraclonal mating is not the rule in Daphnia populations. For a given family, hatching rate of eggs resulting from interpopulation crosses is lower than for intrapopulation crosses.
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Abstract Inbreeding often results in a decline in fitness and performance. Estimates for the number of lethal alleles are discussed. Inbreeding combined with selection can result in purging and we discuss this.
Bruce Walsh +2 more
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Bruce Walsh +2 more
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Experimental Inbreeding Depression
Forest Science, 1982Abstract Desirable properties of mating designs for evaluation of inbreeding depression are developed in the context of tree breeding plans. Benefits of organizing contrasts among inbreeding levels orthogonally to contrasts among general combining abilities of the mated relatives are illustrated by analysis of an example.
Peter M. Burrows, George R. Askew
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