Effect of maternal lysine supplementation on the performance of growing rabbits. Preliminary results

The experiment studied the effect of dietary lysine supplementation to rabbit does on the performance and on meat's protein and lysine content of their offspring. Half of the does (n=43) fed control diet (C; Lys: 0.68%), while the other half a lysine supplemented diet (L; Lys: 0.80%) from 3 days before AI until weaning. After kindling, half of the litters of C does were put under C does, while the other half under L does. The same procedure was followed for offspring of L does. After weaning, rabbits fed the same diet (0.68% Lys). Does' dietary treatment significantly affected the weaning weight, however, only lysine supplementation during suckling age had negative effect (340 vs 315g for C and L does, respectively; P<0.01). The kit's milk intake, measured at 3rd and 7th day of age, nursed by L does was significantly lower. Other productive and carcass traits did not differ significantly

Effect of Alternative Housing on Carcass Traits of Rabbits

One hundred and sixty one New Zealand White weaned rabbits were housed in cages (0.4x0.4 m, 3 rabbits/cage, 18.7 rabbits/m2) or in a pen on deep litter (3x3.3 m, 0.2 m thick wheat straw litter, 80 rabbits/pen, 8.1 rabbits/m2). At 13 weeks of age pen-housed rabbits (n=52) had lower body weight (2318 vs. 2437 g; P<0,01) and dressing out percentage (59.8 vs. 61.0 %; P<0,01) than the cage-housed animals (n=68). Higher proportion of the fore (32.3 vs. 31.4 %; P<0,01) and the hind part of the carcass (40.3 vs. 37.9 %; P<0.001) were found in pen-housed group compared to cage-housed rabbits. While the proportion of the intermediate part (27.5 vs. 30.7 %; P<0,001) was lower in pen-housed animals. The ratio of perirenal fat to pre-slaughter body weight was lower in pen-housed rabbits (0.45 vs. 0.83 % P<0.001) than in cagehoused group

Abstracts from the 20th International Symposium on Signal Transduction at the Blood-Brain Barriers

https://deepblue.lib.umich.edu/bitstream/2027.42/138963/1/12987_2017_Article_71.pd