Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 525595
Title Factors affecting litter size in Texel sheep
Author(s) Sharafeldin, M.A.
Source University. Promotor(en): T. Stegenga. - Wageningen : Veenman - 61
Publication type Dissertation, internally prepared
Publication year 1960
Keyword(s) texelaar - texel
Categories Small Ruminants (Sheep and Goats)
Abstract The effect of age of ewes and of different lambing years on fertility expressed as number of lambs born and surviving to 2 months per lambing has been studied in field data collected by the herdbook for Texel sheep in North Holland. The fertility of ewes was compared when first bred at about 8 months or at about 20 months of age and the effect of heredity on litter size was studied.

Hereditary effects were determined by the effect of type of birth of sire, dam and ewe on the fertility of ewes, by heritability of litter size, by the effect of sires on fertility of these female progeny and estimating the repeatability of litter size. Effect of age of ewe on fertility was studied.

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