Effect of probiotic supplementation on growth performance, nutrient utilization and carcass characteristics of growing Chinchilla rabbits

被引：34
|
作者：
Bhatt, R. S. [1 ]
Agrawal, A. R. [1 ]
Sahoo, A. [1 ]
机构：
[1] ICAR Cent Sheep & Wool Res Inst, Div Anim Nutr, Avikanagar 304501, Rajasthan, India
来源：
JOURNAL OF APPLIED ANIMAL RESEARCH | 2017年 / 45卷 / 01期
关键词：
Chinchilla rabbits; digestibility; growth traits; L; acidophilus; lactis;
D O I：
10.1080/09712119.2016.1174126
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Forty-five weaner Chinchilla rabbits (42-d-old, average weight 619 g) randomly assigned to three equal treatments, control with no probiotic and the other two with probiotics (10(7) CFU/g concentrate) Lactobacillus acidophilus and Lactococcus lactis. They were reared in individual cages and fed on ad libitum concentrate and wilted Lucerne (Medicago sativa) up to 91 d of age. Compared to control L. acidophilus improved weight gain (24.5 vs. 22.5 g/d, P < .05), whereas it was intermediate with L. lactis. Both probiotics improved the feed conversion ratio (3.91 and 3.96 vs. 4.34, P < .05) but no effect on dry matter intake (95.8 and 92.7 vs. 98.0 g). Dry matter and organic matter digestibility improved with L. acidophilus (72.8 vs. 67.0%, P < .05), whereas it was intermediate with L. lactis. Probiotics also improved (P < .05) digestibility of crude protein (82.7 vs. 74.9%) and neutral detergent fibre (41.9 vs. 29.4%). Nitrogen utilization improved with reduced faecal excretion in probiotics-supplemented groups. Probiotics had non-significant effect on carcass traits and fatty acid profile (P >.05). Thus L. acidophilus supplementation enhanced digestibility and utilization of nutrients, weight gain and feed conversion ratio with no negative effect on carcass traits and fatty acid profile.
引用
收藏
页码：304 / 309
页数：6
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