动物营养学报 >

2015 , Vol. 27 >Issue 5: 1377 - 1384

DOI: https://doi.org/10.3969/j.issn.1006-267x.2015.05.007

禽营养 Poultry Nutrition

饲粮非植酸磷水平对高峰期蛋鸭产蛋性能、蛋品质和胫骨指标的影响

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  • 广东省农业科学院动物科学研究所, 畜禽育种国家重点实验室, 农业部动物营养与饲料(华南)重点开放实验室, 广东省动物育种与营养公共实验室, 广东省畜禽育种与营养研究重点实验室, 广州 510640
张罕星(1980—),男,广东增城人,硕士,从事蛋鸭营养方向研究。E-mail:carza@163.com

收稿日期: 2014-11-30

  网络出版日期: 2015-05-13

基金资助

现代农业产业技术体系建设专项资金资助(CARS-43-13)

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Effects of Dietary Non-Phytin Phosphorus Level on Laying Performance, Egg Quality and Tibia Indices of Ducks during the Laying Peak

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  • State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science (South China) of Ministry of Agriculture, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Science, Guangzhou 510640, China

Received date: 2014-11-30

  Online published: 2015-05-13

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摘要

本试验旨在研究饲粮非植酸磷水平对高峰期蛋鸭产蛋性能、蛋品质和胫骨指标的影响。选取即将达到产蛋高峰期的山麻鸭900只,随机分为6组,每组6个重复,每个重复25只。各组非植酸磷水平分别为0.20%、0.25%、0.30%、0.35%、0.40%、0.45%,试验期11个月。结果表明:1)饲粮非植酸磷水平对蛋鸭产蛋性能和蛋品质均无显著影响(P>0.05)。2)饲粮非植酸磷水平对蛋鸭的胫骨重、胫骨长度和折断力无显著影响(P>0.05)。骨密度和骨矿盐含量随饲粮非植酸磷水平升高呈现先上升后降低的变化趋势,0.35%组和0.40%组的胫骨密度显著高于0.20%组和0.25%组(P<0.05),当饲粮非植酸磷水平升至0.35%以上时,骨矿盐含量显著高于0.20%组(P<0.05)。3)饲粮非植酸磷水平对胫骨灰分中钙和磷含量、血清中钙和磷含量均无显著影响(P>0.05)。由此可见,在本试验条件下,由于饲粮非植酸磷水平对产蛋性能和蛋品质无显著影响,以骨密度和骨矿盐含量作为参考指标,通过回归方程得出蛋鸭适宜的饲粮非植酸磷水平为0.33%~0.38%。在实际生产中,若只考虑生产性能,建议采用0.20%饲粮非植酸磷水平,可节约饲料成本。

关键词： 蛋鸭; 非植酸磷; 产蛋性能; 蛋品质; 胫骨指标

本文引用格式

张罕星, 李燕, 林映才, 郑春田 . 饲粮非植酸磷水平对高峰期蛋鸭产蛋性能、蛋品质和胫骨指标的影响[J]. 动物营养学报, 2015 , 27(5) : 1377 -1384 . DOI: 10.3969/j.issn.1006-267x.2015.05.007

Abstract

This experiment was conducted to investigate the effects of dietary non-phytin phosphorus (NPP) level on laying performance, egg quality and tibia indices of ducks during the laying peak. A total of 900 laying Shanma ducks during the laying peak were randomly allotted into 6 groups with 6 replicates per group and 25 ducks per replicate. Ducks in the 6 groups were fed the diets containing 0.20%, 0.25%, 0.30%, 0.35%, 0.40% and 0.45% NPP, respectively. The experiment lasted for 11 months. The results showed as follows: 1) dietary NPP level had no significant effects on laying performance and egg quality (P>0.05). 2) Dietary NPP level had no significant effects on tibia weight, tibia length and breaking strength (P>0.05). The bone density and bone mineral content had a trend of reduction after rising. The bone density of 0.35% and 0.40% groups was significantly higher than that of 0.20% and 0.25% groups (P<0.05). When dietary NPP levels rose to more than 0.35%, the bone mineral content was significantly higher than that of 0.20% group (P<0.05). 3) Dietary NPP level had no significant effect on tibia calcium and phosphorous in ash, calcium and phosphorous content in serum (P>0.05). It is concluded that dietary NPP level is recommended to be 0.33% to 0.38%, based on regression equation for bone density and bone mineral content in the present study. In practice, if consider the production performance separately, the proposal NPP requirement is 0.20%, which feed costs can be saved.

Key words： laying duck; non-phytin phosphorus; laying performance; egg quality; tibia indices

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