铁对1~4周龄五龙鹅生产性能、造血功能和铁代谢的影响

王宝维; 马传兴; 葛文华; 张名爱; 孔敏; 张肖; 隋丽

doi:10.3969/j.issn.1006-267x.2016.05.012

动物营养学报 >

2016 , Vol. 28 >Issue 5: 1369 - 1376

DOI: https://doi.org/10.3969/j.issn.1006-267x.2016.05.012

禽营养 Poultry Nutrition

铁对1~4周龄五龙鹅生产性能、造血功能和铁代谢的影响

王宝维 ,
马传兴 ,
葛文华 ,
张名爱 ,
孔敏 ,
张肖 ,
隋丽

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青岛农业大学优质水禽研究所, 国家水禽产业技术体系营养与饲料功能研究室, 青岛 266109

收稿日期: 2015-12-09

网络出版日期: 2016-05-24

基金资助

国家水禽产业技术体系专项基金(CARS-43-11);山东省良种工程(12-1-3-17-nsh)

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Effects of Iron on Performance, Hematopoietic Function and Iron Metabolism of Wulong Geese Aged from 1 to 4 Weeks

WANG Baowei ,
MA Chuanxing ,
GE Wenhua ,
ZHANG Ming ,
KONG Min ,
ZHANG Xiao ,
SUI Li

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Nutrition and Feed Laboratory of China Agriculture Research System, Institute of High Quality Waterfowl, Qingdao Agricultural University, Qingdao 266109, China

Received date: 2015-12-09

Online published: 2016-05-24

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摘要

本试验旨在研究饲粮铁添加水平对1~4周龄五龙鹅生产性能、造血功能和铁代谢的影响,以确定鹅饲粮铁的适宜添加水平。试验选用1日龄五龙鹅360只,随机分为6个组,每个组6个重复,每个重复10只。Ⅰ组为对照组,饲喂基础饲粮,Ⅱ~Ⅴ组分别饲喂在基础饲粮中添加40、80、120、160、200 mg/kg铁的试验饲粮。试验期4周。结果表明,与对照组相比:1)饲粮中添加80~120 mg/kg铁能显著或极显著增加五龙鹅的体重和平均日增重(P<0.05或P<0.01),显著降低料重比(P<0.05);2)饲粮中添加80~120 mg/kg铁显著提高了鹅的屠宰率、半净膛率和腿肌率(P<0.05);3)饲粮中添加80 mg/kg铁显著提高了鹅血液的平均红细胞体积和平均红细胞血红蛋白含量(P<0.05),饲粮中添加80~200 mg/kg铁显著提高了鹅血液的红细胞数和血红蛋白浓度(P<0.05),饲粮中添加120~200 mg/kg铁显著或极显著提高了鹅血液的红细胞压积(P<0.05或P<0.01);4)饲粮中添加160~200 mg/kg铁显著降低了鹅血清中总铁结合力(P<0.05),显著提高鹅血清中转铁蛋白饱和度(P<0.05);饲粮中添加120 mg/kg铁显著降低了鹅血清中尿素氮和肌酐含量(P<0.05),饲粮中添加80 mg/kg铁显著降低了鹅血清中尿酸含量(P<0.05)。由此可见,以最佳生长性能为目标,1~4周龄五龙鹅饲粮中铁的适宜添加水平为99.56~116.91 mg/kg。

关键词： 铁; 鹅; 生产性能; 造血功能; 铁代谢

本文引用格式

王宝维 , 马传兴 , 葛文华 , 张名爱 , 孔敏 , 张肖 , 隋丽 . 铁对1~4周龄五龙鹅生产性能、造血功能和铁代谢的影响[J]. 动物营养学报, 2016 , 28(5) : 1369 -1376 . DOI: 10.3969/j.issn.1006-267x.2016.05.012

Abstract

This experiment was conducted to study the effects of dietary iron supplemental level on performance, hematopoietic function and iron metabolism of Wulong geese aged from 1 to 4 Weeks, and to find the appropriate supplemental level of the iron of geese. A total of 360 one-day-old Wulong geese were randomly divided into 6 groups with 6 replicates per group and 10 geese per replicate. Geese in the group Ⅰ (control group) were fed a basal diet, and geese in the experimental groups (groups Ⅱ to Ⅵ) were fed the basal diet supplemented with 40, 80, 120, 160 and 200 mg/kg iron, respectively. The experiment lasted for 4 weeks. The results showed as follows, compared with the control group:1) dietary supplemented with 80 to 120 mg/kg iron significantly increased the body weight and average daily gain (P<0.05), and significantly decreased the ratio of feed to gain (P<0.05). 2) Dietary supplemented with 80 to 120 mg/kg iron significantly increased the dressed percentage, percentage of half-eviscerated yield and percentage of leg muscle rate of geese (P<0.05). 3) Dietary supplemented with 80 mg/kg iron significantly increased mean corpuscular volume and mean erythrocyte hemoglobin content in blood of geese (P<0.05), dietary supplemented with 80 to 200 mg/kg iron significantly increased red cell counts and hemoglobin concentration in blood of geese (P<0.05), dietary supplemented with 120 to 200 mg/kg iron significantly increased hematocrit in blood of geese (P<0.05). 4) Dietary supplemented with 160 to 200 mg/kg iron significantly decreased total iron binding capacity in serum of geese (P<0.05), and significantly increased transferrin saturation in serum of geese (P<0.05); dietary supplemented with 120 mg/kg iron significantly decreased the content of uric nitrogen and creatinine in serum of geese (P<0.05), dietary supplemented with 80 mg/kg iron significantly decreased the serum uric acid content of geese (P<0.05). In conclusion, with the best growth performance as the target, the dietary appropriate iron supplemental level of Wulong geese aged from 1 to 4 weeks is 99.56 to 116.91 mg/kg.

Key words： iron; geese; performance; hematopoietic function; iron metabolism

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