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玉米干酒糟及其可溶物对蛋鸡产蛋性能、蛋品质、血清脂质以及经济效益的影响

DOI: 10.3969/j.issn.1006-267x.2013.08.026

Keywords: 玉米DDGS,苏禽青壳蛋鸡,产蛋性能,蛋品质,血清脂质,经济效益

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Abstract:

本试验旨在研究饲粮玉米干酒糟及其可溶物(DDGS)水平对苏禽青壳蛋鸡产蛋性能、蛋品质、血清脂质以及经济效益的影响.选用28周龄产蛋率接近的健康苏禽青壳蛋鸡240只,随机分为6个处理,每个处理4个重复,每个重复10只,试验饲粮分别含有0(对照组)、1%、3%、5%、7%和9%的玉米DDGS(粗蛋白质,26.91%;表观代谢能,9.20MJ/kg;粗脂肪,13.66%;中性洗涤纤维,32.27%;酸性洗涤纤维,9.58%;钙,0.12%;磷,0.66%),各处理饲粮中能量、蛋白质水平相同,试验期为42d.结果表明:1)饲粮中添加玉米DDGS可显著增加蛋黄颜色(P<0.05),饲粮玉米DDGS水平达到3%及以上时可显著提高哈氏单位(P<0.05),饲粮不同玉米DDGS水平对蛋鸡产蛋性能和其他蛋品质指标无显著影响(P>0.05);7%和9%玉米DDGS组血清胆固醇含量显著低于对照组(P<0.05).2)试验期内,与对照组相比较,1%、3%、5%、7%和9%玉米DDGS组的饲料成本分别降低了0.151、0.211、0.383、0.478和0.495元/只,7%和9%玉米DDGS组的利润分别增加了0.170和0.933元/只.由此可见,饲粮不同玉米DDGS水平对蛋鸡产蛋性能、蛋品质和蛋黄胆固醇含量无不良影响,添加7%和9%玉米DDGS能够显著提高蛋黄颜色和哈氏单位,降低血清胆固醇含量,并能有效增加养殖利润.

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