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Rabbit growth performance, carcass traits and hind leg bone characteristics as affected by the sire breed, season, parity order and sex in an organic production system

Antonella Dalle Zotte
Department of Animal Medicine, Production and Health, University of Padova, Agripolis, Viale dell’Universitŕ 16, 35020 Legnaro, Padova, Italy
Abstract :
Live performance, carcass traits and hind leg bone characteristics of crossbred rabbits of both sexes
(Sx) of two sire breeds (SB): Vienna Blue – (VB) and Burgundy Fawn – (BF) born with different
parity orders (P: 1, 2, ≥3), reared organically and slaughtered in the spring and summer, when
they reached 2.8 kg, were evaluated. The slaughter age of VB crossbreds increased between P1 and
P2 (P<0.05). During the summer, the rabbits exhibited a higher slaughter age (P<0.01), reference
carcass yield (P<0.01), and hind leg meat-to-bone ratio (P<0.05). The P2 crossbreeds exhibited the
lowest incidence of scapular fat (P<0.05). The weights of the full gastrointestinal tract and skin were
2.4% higher and 1.5% lower in females, respectively (P<0.01), and head proportion was higher in
males (P<0.05). Females exhibited a longer femur and thicker tibia than did the males (P<0.05).
The results confirmed the slow growth rate of the crossbreds evaluated, which may represent an

interesting genetic resource for organic production of rabbits

Keywords :
carcass traits / growth performance / organic production system / rabbit / sire breed / slaughter season

Date Deposited : 02 Apr 2015 10:45

Last Modified : 02 Apr 2015 10:45

Official URL: http://www.ighz.edu.pl/?p0=5&p1=34

Volume 32, Number 2, - 2014

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