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Prof. Maher Hasab El-Nabi Khalil :: Publications: |
Title: | Heritability and non-genetic factors for lifetime production traits in New Zealand White rabbits raised in intensive system of production - 2000 |
Authors: | Youssef M.K., Khalil M.H., Afifi E.A., El-Raffa A.M., Zahed S.M. |
Year: | 2000 |
Keywords: | New Zealand White rabbits, lifetime production, Heritability |
Journal: | 7th World Rabbit Congress, Volume A, Valencia, Spain, pp. |
Volume: | 1 |
Issue: | Not Available |
Pages: | 497-503. |
Publisher: | World Rabbit Science Association |
Local/International: | International |
Paper Link: | |
Full paper | Maher Hasab El-Nabi Khalil_2000 - Heritability and non genetic factors for lifetime production traits in New Zealand white rabbits.pdf |
Supplementary materials | Not Available |
Abstract: |
Data on 14210 litters of New Zealand White rabbits produced by 2945 does mothered by 1613 dams and fathered by 842 sires were analysed to characterize this breed for lifetime production traits and to estimate variance components and heritabilities of these traits. Lifetime production traits measured per doe were total number born (TNB), total number born alive (TNBA), total number weaned (TNW), number of litters produced by the doe (NL) and length of lifetime production (LT). The mean performances of lifetime production traits per doe were 39.2, 42.0 and 31.2 bunnies for TNBA, TNB and TNW, respectively LT was 8.1 month and NL was 4.8 litters. Litter size in which the doe was born constituted a highly significant (P |