Influence of Probiotic Strains on Growth Performance, Carcass Characteristics and Seasonal Changes of Growing New Zealand White Rabbits

Overview

Journal Trop Anim Health Prod

Publisher Springer

Specialties Tropical Medicine
Veterinary Medicine

Date 2024 Oct 8

PMID 39377883

Authors

Elwy A Ashour

Islam M Youssef

Ahmed I Elsherbeni

Muhammad Arif

Guillermo Tellez-Isaias

Ahmed K Aldhalmi

Ayman A Swelum

Mohamed E Abd El-Hack

Affiliations

Soon will be listed here.

Abstract

This experiment was designed to explore how different types of probiotics affect the growth, carcass traits, and seasonal variations in growing New Zealand White rabbits (NZW). Two parallel experiments using the same strain of NZW during winter and summer, each alone from 5 to 13 weeks of age. Each experiment uses a total of 125 unsexed rabbits. These rabbits are separated into 5 groups of 25 rabbits each. Each group has five replicates, with five rabbits in every replicate. In each experiment, 1st group acting as the control group did not receive any probiotics. The 2nd was given a dose of 1 ml of Bifidobacterium bifidum, the 3rd received a dose of 1 ml of Lactobacillus acidophilus, and the 4th was treated with a 1 ml blend of both Bifidobacterium bifidum and Lactobacillus acidophilus, and 5th group was treated with 1 ml of Saccharomyces cerevisiae. Results indicated that the Bifidobacterium bifidum group had the best live body weight (LBW) values and daily weight gain (DWG). Meanwhile, during summer, the Lactobacillus acidophilus group had the best feed conversion ratio (FCR) and performance index (PI) values. Also, growing rabbits fed Lactobacillus acidophilus and Bifidobacterium bifiduim had significantly increased carcass traits during the summer and winter seasons. Furthermore, seasonal changes indicated that the Bifidobacterium bifiduim group improved LBW, DWG, and PI during summer than winter. So, it could be concluded that using Bifidobacterium bifidum can enhance rabbit growth by improving feed utilization and carcass traits, making it an effective addition to hot weather diets.

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