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|Title: ||GENOTYPE, GESTATION LENGTH, SEASON, PARITY AND SEX EFFECTS ON GROWTH TRAITS OF TWO RABBIT BREEDS AND THEIR CROSSES|
|Authors: ||Egena, S.S.A.|
|Issue Date: ||2014|
|Publisher: ||Biotechnology in Animal Husbandry|
|Series/Report no.: ||30;4|
|Abstract: ||One hundred and thirty rabbits were used to evaluate the effect
of genotype, gestation length, season, parity and sex on growth traits of two breeds
of rabbit and their crosses. The rabbit used for the experiment were breeds of the
New Zealand White (NZW) and Chinchilla (CH) breed. Six breeding bucks
(three/breed) and eighteen breeding does (nine/breed) served as the foundation
stock. Traits measured include: body weight (BW), nose to shoulder length (NTS),
shoulder to tail length (STL), heart girth (HG), trunk length (TL) and length of ear
(LE). Results revealed that, BW of the rabbits were influenced (p<0.05) by
genotype, gestation length and season. CH x (CH x NZW) progenies had better
BW at 35-d and 49-d of age while NZW x CH progenies had better BW at 21-d of
age. Kittens born late (32-34 days) had better BW at 21-d, 35-d and 49-d while
kittens kindled during early dry season had better BW at 21-d, 35-d and 49-d.
Genotype affected (p<0.05) all the body measurements at 21-d, 35-d and 49-d.
Gestation length affected (p<0.05) all the body measurements except for NTS at
21-d and HG at 49-d respectively. Season of birth also influenced (p<0.05) all the
body measurements except for LE 21-d. Parity and sex had no effect (p>0.05) on
BW, NTS, STL, HG, TL and LE. It was concluded that genotype, gestation length
and season influenced BW and body dimensions of the two breeds of rabbit and
their crosses while parity and sex had no effect.|
|Description: ||Part of first author's Ph.D work.|
|Appears in Collections:||Animal Production|
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