Effect of ca-aminoplex injection on growth performance of rabbits

الملخص EN

A total number of 64 New-Zealand white rabbits (32 males + 32 females) aged 6 weeks was randomly divided into 8 groups.

Each group was subdivided into 8 replicates (4 males + 4 females) and housed individually in a wire cages located in a controlled environmental temperature house (20 – 25 °C) throughout the experimental period (6-14 wks.

).

Rabbits were fed ad-libitum on high (17% CP) or low (15% CP) level of crude protein and were injected one, two or three times with Ca-Aminoplex at bi-weekly intervals.

Ca-Aminoplex is a solution contains some essential Amino acids, vitamin B complex and calcium.

The results revealed the following: -

Rabbits fed on high protein level had higher (P≤ 0.01) body weight gain compared to those fed on low protein level during the entire experimental period (from 6-14 weeks old).

Rabbits injected one, two or three times with Ca-Aminoplex were superior (P≤ 0.05) in body weight gain during all experimental period compared to those in the control treatment (not injected).

Rabbits fed on the high protein level (17 % CP) consumed higher feed (P≤ 0.01) compared to those fed on low protein level (15% CP) all over the experimental period.

Injection of growing rabbits two or three times with Ca-Aminoplex enhanced (P≤ 0.05) feed consumption all over the experimental period.

Rabbits fed on high protein diet had superior (P≤ 0.05 or P≤ 0.01) cumulative feed conversion ratios compared to those fed on low protein diet all over the experimental period.

Rabbits injected one, two or three times with Ca-Aminoplex had better (P≤ 0.05) cumulative feed conversion ratios than those un-injected (control) during all studied ages (from 6-14 wks.

old).

Feeding growing rabbits on the diet of high protein level (17% CP) increased (P≤ 0.01) the cost of feed/rabbit, rabbit price, olute and relative net revenue and production index compared to those fed on the diet of low protein level (15% CP).

Ca-Aminoplex injection increased (P≤ 0.05) the cost of feed/rabbit, but it improved rabbit price, olute and relative net revenue and production index of growing rabbits.