营养水平和饲喂方式对蜀兴1号商品兔生长性能及经济效益的影响

doi:10.16431/j.cnki.1671-7236.2023.09.015

Abstract

Abstract: 【Objective】 The experiment was conducted to study the effect of different dietary nutrition levels and feeding modes on growth performance,slaughter performance and economic benefits of Shuxing 1 commercial rabbits.【Method】 360 28-day-old Shuxing 1 commercial rabbits were randomly divided into 4 groups. 5 replicates were set in each group and each replicate had 18 rabbits (half male and half female).Combination of high nutrition level and free feeding were set in group 1,high nutrition level and restricted feeding were set in group 2,low nutrition level and free feeding were set in group 3,low nutrition level and restricted feeding were set in group 4.After the 77-day-old feeding,12 rabbits from each group were randomly selected and the slaughter performance such as pre-slaughter body,all carcass weight,half carcass weight were measured.【Result】 ①The 56 and 77 d body weight,28-56 and 28-77 d daily gain under low nutrient level were significantly higher than those in high nutrient level group (P＜0.05).The diarrhea rate of 28-56 and 28-77 d were significantly lower than those in high nutrient level group (P＜0.05).The 56 and 77 d body weight,28-56 d daily gain and feed gain ratio,56-77 d feed gain ratio and 28-77 d daily gain under free feeding condition were significantly higher than those in restricted feeding group (P＜0.05).The 56-77 d daily gain,28-56 and 28-77 d diarrhea rate,28-77 d mortality rate were significantly lower than those in restricted feeding group (P＜0.05).The interaction effect of nutrition level and feeding methods had significant effects on diarrhea rate at 28-56 and 28-77 d (P＜0.05),but had no significant effects on other growth performance indexes of Shuxing 1 commercial rabbits (P＞0.05).②The pre-slaughter body weight,all carcass weight and half carcass weight of free feeding group were significantly higher than those of restricted feeding group (P＜0.05).The pre-slaughter body weight of high nutrient level was significantly lower than that of low nutrient level,and there was no significant difference in slaughter performance (P＞0.05).Feeding methods significantly affected the slaughter performance of Shuxing 1 commercial rabbits (P＜0.05),and the indexes of free feeding group were higher than those of restricted feeding group.③The different dietary nutrition levels and feeding modes had no significantly affected on the economic benefit of Shuxing 1 commercial rabbits (P＞0.05).【Conclusion】 The body weight and diarrhea rate of Shuxing 1 commercial rabbits were significantly affected by nutrition level and feeding mode.The best benefits could be obtained by free feeding with low nutrition level.

Key words: feed restriction; growth performance; slaughter performance; Shuxing 1 commercial rabbits

CLC Number:

S829.1

MEI Xiuli, KUANG Liangde, GUO Zhiqiang, LI Juan, HUANG Dengping, XIE Xiaohong, LEI Min, LI Congyan. Effects of Different Nutrition Level and Feeding Mode on Growth Performance and Economic Benefits of Shuxing 1 Commercial Rabbits[J]. China Animal Husbandry and Veterinary Medicine, 2023, 50(9): 3594-3602.

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Effects of Different Nutrition Level and Feeding Mode on Growth Performance and Economic Benefits of Shuxing 1 Commercial Rabbits

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