CN105901390B - 饲料添加剂在制备提高鸡蛋品质、蛋鸡产蛋性能的蛋鸡饲料中的应用 - Google Patents
饲料添加剂在制备提高鸡蛋品质、蛋鸡产蛋性能的蛋鸡饲料中的应用 Download PDFInfo
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Abstract
本发明公开了一种饲料添加剂在制备提高鸡蛋品质、蛋鸡产蛋性能的蛋鸡饲料中的应用,其中,该饲料添加剂以重量百分数计,所述饲料添加剂包括:单月桂酸甘油酯10~45%,双月桂酸甘油酯10~30%,单硬脂酸甘油酯30~50%,载体0~20%。本发明饲料添加剂将单月桂酸甘油酯、双月桂酸甘油酯和单硬脂酸甘油酯进行组合能够显著提高鸡蛋品质,并提高蛋鸡的产蛋性能。
Description
技术领域
本发明涉及饲料添加剂加工技术领域,尤其涉及饲料添加剂在制备提高鸡蛋品质、蛋鸡产蛋性能的蛋鸡饲料中的应用。
背景技术
鸡蛋是人们日常餐桌上的常见食品,是人体动物源蛋白的重要来源。随着人们生活水平和食品安全意识的提高,其品质越来越受到重视。人们迫切希望绿色、营养、无公害的产品上市。所以,“天然、绿色、无污染”是21世纪世界蛋鸡产业发展的主题。
在规模化养殖模式下,蛋鸡采用笼架饲养,群体密度大,应激因素多,消化系统和生殖系统功能较差,身体机能受到影响,不利于维持较好的产蛋水平及蛋品质。而目前使用的饲料添加剂往往存在成本高、功效稳定性差、对贮藏环境要求严苛等缺点。因此,开发安全、高效、稳定的功能性饲料添加剂,不仅可以提高鸡蛋的品质,同时可以提高蛋鸡的生产性能,有助于提高经济效益,减少环境污染,满足蛋鸡养殖的需求。
单月桂酸甘油酯是一种优良的食品乳化剂,同时也是一种安全、高效、广谱的抑菌剂,同时具有抗病毒功能,广泛应用于食品、保健品、医药、日用品等领域。目前,已有单月桂酸甘油酯用于饲料添加剂,起到防止饲料霉变、乳化的作用,例如:
申请公布号为CN101797011A的发明专利申请文献公开了一种饲料防霉剂,该饲料防霉剂含有单月桂酸甘油酯、脱氢醋酸钠、丙酸钙和载体。该饲料防霉剂添加量小,不影响动物适口性,应用于饲料防霉时,耐湿耐热性好,受酸碱度影响小,具有高效抑制和杀灭饲料中的细菌和真菌等微生物的作用,效果优于其他常规单一防霉剂。
申请公布号为CN103181458A的发明专利申请文献公开了一种包膜饲用复合优质乳化剂及其制备工艺。该乳化剂含有单硬脂酸甘油酯10~30%、蔗糖单月桂酸酯10~30%、山梨醇酐单月桂酸酯5~20%、甘油单月桂酸酯5~10%、聚乙二醇20~50%和二氧化硅20~50%,适用于饲料中各种油脂的乳化,乳化效果稳定,可长时间保持不破乳,经包膜处理后,能耐受高温处理,适合饲料的制粒加工。
单月桂酸甘油酯还被用于饲料添加剂,起到促进动物生长、抗病的作用,例如:
申请公布号为CN102696883A的发明专利公开了一种饲料添加剂及其应用,该饲料添加剂以重量百分比计,包括:20~60%单月桂酸甘油酯,10~40%丙酸钙,0~50%饲料载体。该饲料添加剂具有抑菌抗病毒、减少饲料中抗生素的使用、促进动物生长、提高动物存活率以及抗病能力的作用。
申请公布号为CN105076790的发明专利申请文献公开了一种鹅育肥期用营养绿色低病死率鹅饲料。该饲料按重量份包括:玉米20~25份,小麦5~20份,膨化豆粕20~30份,猪油1~5份,菊花粕6~10份,小麦麸5~15份,发酵生物蛋白10~15份,草粉1~3份,棉粕5~8份,玉米胚芽粕5~10份,棉子粕3~7份,啤酒糟2~6份,海藻粉1~4份,胡萝卜粉2~6份,沸石粉0.5~1.2份,中草药添加剂4.5~8.7份,天然色素0.02~0.04份,复合酶0.2~0.45份,植酸酶0.5~0.9份,高效诱食剂5~9份。其中高效诱食剂中含有单月桂酸甘油酯0.5~0.85份,主要起到刺激鹅大脑促进摄食,营养物质在鹅肠内均匀吸收,有效修复肠黏膜损伤,有效促进鹅肠道有益菌生成,增强免疫功能。该饲料喂后3天鹅粪可成形,不臭,细腻,喂后6天长势好,喂后10天,鹅颈变粗,毛色白亮,增重加快,鹅生病率0.5~0.9%,死亡率为0。
申请公布号为CN105076789A的发明专利申请文献公开了一种高效育肥期鹅饲料。该饲料按重量份包括:玉米10~40份,小麦22~35份,米糠15~25份,猪油0.5~3份,菊花粕5~10份,玉米糠麸8~15份,发酵生物蛋白1~6份,羽毛粉0.5~2份,棉粕1~4份,玉米胚芽粕8~13份,葵花饼5~10份,蚕粉1~3份,海藻粉1~2份,南瓜粉1~4份,石粉0.5~2份,中草药添加剂1~6份,天然色素0.05~0.5份,复合酶0.5~1份,植酸酶1~2份,高效诱食剂10~15份。其中高效诱食剂中含有单月桂酸甘油酯1~3份,主要与虾壳粉、红球藻粉、虾青素油脂、玉米油、鱼油协同,起到提高鹅成色,刺激鹅嗅觉器官,增加摄食量的作用。该饲料喂后3天鹅粪可成形,不臭,细腻,喂后6天长势好,喂后10天,鹅颈变粗,毛色白亮,增重加快,鹅生病率1~1.2%,死亡率为0。
公开号为CN1659977A的发明专利申请文献公开了鳝鱼用饲料。该饲料含有碳原子数6~12的中链脂肪酸,该脂肪酸以脂肪酸盐,或脂肪酸酯,或脂肪酸乳化物的形式存在于饲料中。在鳝鱼用饲料中添加相当于饲料干重0.5~5重量%的碳原子数6~12的中链脂肪酸,所述脂肪酸为比如辛酸、壬酸、癸酸或月桂酸中的任何一种或两种以上,该脂肪酸以钙盐、钠盐、钾盐或镁盐等脂肪酸盐,或者以单甘油酯、二甘油酯或三甘油酯等脂肪酸酯,或者脂肪酸乳化物的形式存在。该饲料可以起到预防和治疗鳝鱼养殖中的寄生虫病,降低饵料在水中崩解而造成的水污染。
申请公布号为CN104839516A的发明专利申请文献公开了一种复合家禽饲料,该饲料由以下重量份的各组分组成:玉米20~50份、豆粕15~21份、麦麸10~35份、菜籽粕5~20份、次粉3~10份、酒糟粉4~6份、米糠3~6份、饲料级枣粉2~8份、鱼粉4~8份、螺旋藻粉1~5份、中药添加剂3~5份、贝壳粉0.5~5份、钙粉1~3.5份、红糖0.2~1份、骨粉0.55~0.75份、食盐0.3~0.4份、饲料添加剂0.1~0.4份、微量元素添加剂0.1~0.3份、复合维生素0.3~0.5份、单月桂酸甘油酯0.2~0.6份。该饲料可促进家禽体内和蛋内有机微量元素的生成和富集,减少抗生素类药物及添加剂的使用量和家禽产品的药物残留量。
发明内容
本发明提供了一种饲料添加剂在制备提高鸡蛋品质、蛋鸡产蛋性能的蛋鸡饲料中的应用,该饲料添加剂能够显著提高鸡蛋品质,并提高蛋鸡的产蛋性能。
饲料添加剂在制备提高鸡蛋品质的蛋鸡饲料中的应用,以重量百分数计,所述饲料添加剂包括:单月桂酸甘油酯10~45%,双月桂酸甘油酯10~30%,单硬脂酸甘油酯30~50%,载体0~20%。
饲料添加剂在制备提高蛋鸡产蛋性能的蛋鸡饲料中的应用,以重量百分数计,所述饲料添加剂包括:单月桂酸甘油酯10~45%,双月桂酸甘油酯10~30%,单硬脂酸甘油酯30~50%,载体0~20%。
作为优选,以重量百分数计,所述饲料添加剂包括:单月桂酸甘油酯20~40%,双月桂酸甘油酯15~25%,单硬脂酸甘油酯30~40%,载体15~20%。
具体地,所述的载体为二氧化硅、麦芽糊精或淀粉。
进一步地,所述的鸡蛋品质为蛋白高度、哈氏指数、蛋黄颜色、蛋黄比、蛋壳强度、蛋壳厚度、蛋壳比中的至少一种。
进一步地,所述的蛋鸡产蛋性能为产蛋率、单个蛋重、蛋鸡采食量、料蛋比、蛋鸡促卵泡激素、蛋鸡促黄体激素中的至少一种。
本发明饲料添加剂还能用于制备提高蛋鸡消化能力的蛋鸡饲料;具体地,体现所述消化能力的指标为蛋鸡小肠绒毛长度、蛋鸡小肠隐窝深度和V/C(绒毛长度和隐窝深度的比值)。
作为优选,所述饲料添加剂在所述蛋鸡饲料中的添加量为0.05~0.3%。
作为优选,所述蛋鸡饲料包括饲料原料和所述饲料添加剂;
所述饲料原料的配方为:以重量百分数计,玉米40.0~65.0%,豆粕20.0~40.0%,石子4.0~10.0%,石粉2.0~5.0%,鱼油0.01~0.05%,菜油0.4~0.8%,预混料3.0~8.0%;
所述预混料的营养成分为:以1kg预混料计,维生素A 80.0~200KIU,维生素D340.0~99.6KIU,维生素E≥484mg,维生素B1≥44.0mg,维生素B2≥116mg,维生素B6≥58.0mg,维生素B12≥0.40mg,生物素≥3.00mg,铜130~500mg,铁1200~15000mg,锰1290~3000mg,锌1200~1300mg,硒4.00~6.00mg,总磷0.3~3.6%,氯化钠≥8.0%,粗蛋白质≥6%,水分≤9.0%;
所述饲料原料的营养成分为:以重量百分数计,粗蛋白12.0~17.0%,粗脂肪2.0~4.0%,赖氨酸0.4~0.8%,蛋氨酸0.1~0.2%,半胱氨酸0.1~0.2%,总钙3.0~4.0%,总磷0.8~1.0%,有效磷0.4~0.6%。
与现有技术相比,本发明具有以下有益效果:
(1)本发明饲料添加剂将单月桂酸甘油酯、双月桂酸甘油酯和单硬脂酸甘油酯进行组合能够显著提高鸡蛋品质,并提高蛋鸡的产蛋性能。
(2)本发明饲料添加剂能够显著提高蛋白高度和哈氏指数,保持鸡蛋新鲜度,加深蛋黄颜色,增加蛋黄比,满足消费者对蛋黄颜色深、占比大的需求。
(3)本发明饲料添加剂能够显著提高产蛋率、单个蛋重及饲料转化率,还能够提高蛋壳强度、蛋壳厚度及蛋壳比,减少鸡蛋在运输过程中的破损。
(4)本发明饲料添加剂能够促进蛋鸡小肠绒毛长度和V/C(绒毛长度和隐窝深度的比值)的增加,促进肠道的吸收功能,增强蛋鸡的抗应激能力。
(5)本发明饲料添加剂为天然、绿色、安全的饲料添加剂,不会使动物产生抗药性,保障产品质量安全无害,品质更好,为蛋鸡养殖带来绿色、安全,极具应用价值。
具体实施方式
下面结合实施例对本发明作进一步说明,但本发明并不局限于此。实施例中对本发明范围内的多种饲料添加剂配方进行试验,效果俱佳。
其中,基础饲粮统一采用如下配方:以重量百分数计,玉米61.56%,豆粕24.83%,石子4.14%,石粉3.81%,鱼油0.03%,菜油0.66%,预混料4.97%;
其中,所述预混料的营养成分为:以1kg预混料计,维生素A 80.0~200KIU,维生素D3 40.0~99.6KIU,维生素E≥484mg,维生素B1≥44.0mg,维生素B2≥116mg,维生素B6≥58.0mg,维生素B12≥0.40mg,生物素≥3.00mg,铜130~500mg,铁1200~15000mg,锰1290~3000mg,锌1200~1300mg,硒4.00~6.00mg,总磷0.3~3.6%,氯化钠≥8.0%,粗蛋白质≥6%,水分≤9.0%;
所述饲料原料的营养成分为:以重量百分数计,粗蛋白15.91%,粗脂肪2.86%,赖氨酸0.61%,蛋氨酸0.16%,半胱氨酸0.16%,总钙3.35%,总磷0.8%,有效磷0.5%。
实施例1
饲料添加剂的配方为:以重量百分数计,单月桂酸甘油酯20%、双月桂酸甘油酯25%、单硬脂酸甘油酯35%和载体(二氧化硅)20%。
180只44周龄海兰褐品种蛋鸡随机分成4组,每组3个重复,每个重复15只鸡。对照组饲喂基础饲粮,实验组1、2、3分别在基础饲粮基础上添加质量分数0.1%、0.2%、0.3%的上述饲料添加剂,试验期共8周。
试验鸡采用阶梯式笼养,每天喂料2次,拣蛋1次,喂料、饮水、清洁、消毒、防疫均按鸡场现行措施进行。试验过程中,以重复为单位,每天记录饲养场温湿度。试验期结束前一天随机抽取鸡蛋样品,每个重复5枚,分析测定鸡蛋品质。
结果如下:
表1饲料添加剂对蛋鸡产蛋高峰后期蛋品质的影响效果
组别 | 蛋白高度(mm) | 哈氏指数 | 蛋黄颜色 | 蛋黄比(%) |
对照组 | 7.33±0.19<sup>c</sup> | 84.16±0.64<sup>d</sup> | 6.29±0.47<sup>c</sup> | 24.33±1.22<sup>b</sup> |
实验组1 | 7.56±0.25<sup>b</sup> | 85.85±0.31<sup>c</sup> | 6.64±0.50<sup>b</sup> | 25.04±1.21<sup>ab</sup> |
实验组2 | 7.68±0.18<sup>ab</sup> | 86.38±0.69<sup>b</sup> | 7.00±0.39<sup>a</sup> | 26.20±0.78<sup>a</sup> |
实验组3 | 7.85±0.20<sup>a</sup> | 89.00±0.11<sup>a</sup> | 7.21±0.43<sup>a</sup> | 26.27±1.62<sup>a</sup> |
注:数据均是means±SD;同列不同的小写字母代表具有显著性差异,P﹤0.05。
从表1可以看出,采用上述饲料添加剂饲喂蛋鸡,可以显著提高鸡蛋的蛋白高度、哈氏指数,蛋白高度和哈氏指数是反映鸡蛋新鲜程度的重要指标,新鲜度高有助于贮藏过程中鸡蛋品质的保持。
此外,采用上述饲料添加剂饲喂蛋鸡,可以显著提高鸡蛋的蛋黄颜色及蛋黄比,更深的蛋黄颜色和更大的蛋黄比可以迎合消费者的需求,提升产品的市场价值。
实施例2
饲料添加剂的配方为:以重量百分数计,单月桂酸甘油酯40%、双月桂酸甘油酯15%、单硬脂酸甘油酯30%和载体(淀粉)15%。
90只18周龄海兰褐品种蛋鸡随机分成3组,每组3个重复,每个重复10只鸡。对照组饲喂基础饲粮,实验组1、2分别在基础饲粮基础上添加0.05%、0.1%的上述饲料添加剂,试验期共35周。
试验鸡采用阶梯式笼养,每天喂料2次,拣蛋1次,喂料、饮水、清洁、消毒、防疫均按鸡场现行措施进行。试验过程中,以重复为单位,每天记录饲养场温湿度,试验期结束前一天随机抽取鸡蛋样品,每个重复5枚,分析测定鸡蛋品质。
结果如下:
表2长期饲喂饲料添加剂对蛋鸡蛋品质的影响效果
注:数据均是means±SD;同列不同的小写字母代表具有显著性差异,P﹤0.05。
由表2中可以看出,采用上述饲料添加剂饲喂蛋鸡,可以显著提高鸡蛋的蛋壳强度和蛋壳厚度,增加蛋壳比率,提高蛋壳的机械性能,使其在运输和贮藏的过程中更好地保护鸡蛋,降低破蛋率。同时,采用上述饲料添加剂饲喂蛋鸡,可以显著加深蛋黄颜色,满足消费者对鸡蛋品质的需求。
实施例3
饲料添加剂的配方为:以重量百分数计,单月桂酸甘油酯10%、双月桂酸甘油酯30%、单硬脂酸甘油酯50%和载体(二氧化硅)10%。
135只44周龄海兰褐品种蛋鸡随机分成3组,每组3个重复,每个重复15只鸡。对照组饲喂基础饲粮,实验组1、2分别在基础饲粮基础上添加质量分数0.2%、0.3%的上述饲料添加剂,试验期共8周。
试验鸡采用阶梯式笼养,每天喂料2次,拣蛋1次,喂料、饮水、清洁、消毒、防疫均按鸡场现行措施进行。试验过程中,以重复为单位,每天记录饲养场温湿度。试验期结束取鸡的空肠制成切片,测定绒毛长度和隐窝深度,计算绒毛长度和隐窝深度的比值(V/C)。
结果如下:
表3饲料添加剂对蛋鸡小肠绒毛形态的影响效果
项目 | 对照组 | 实验组1 | 实验组2 |
绒毛长度(μm) | 1076.67±13.34<sup>d</sup> | 1493.33±3.34<sup>a</sup> | 1436.67±4.72<sup>b</sup> |
隐窝深度(μm) | 223.89±6.31<sup>b</sup> | 232.78±8.39<sup>b</sup> | 226.67±4.72<sup>b</sup> |
V/C | 4.81±0.10<sup>b</sup> | 6.42±0.24<sup>a</sup> | 6.34±0.16<sup>a</sup> |
注:V/C代表绒毛长度和隐窝深度的比值;
数据均是means±SD;同列不同的小写字母代表具有显著性差异,P﹤0.05。
由表4中可以看出,采用上述饲料添加剂饲喂蛋鸡,添加量为0.2%和0.3%时可以显著提高蛋鸡的小肠绒毛长度和V/C,提高蛋鸡的消化能力。
实施例4
饲料添加剂的配方为:以重量百分数计,单月桂酸甘油酯30%、双月桂酸甘油酯20%、单硬脂酸甘油酯40%和载体(淀粉)10%。
180只44周龄海兰褐品种蛋鸡随机分成4组,每组3个重复,每个重复15只鸡。对照组饲喂基础饲粮,实验组1、2、3分别在基础饲粮基础上添加质量分数0.1%、0.2%、0.3%的上述饲料添加剂,试验期共8周。
试验鸡采用阶梯式笼养,每天喂料2次,拣蛋1次,喂料、饮水、清洁、消毒、防疫均按鸡场现行措施进行。试验过程中,以重复为单位,每天记录饲养场温湿度,每天同一时间记录各组产蛋数、蛋重、采食量和死亡鸡只数。试验期结束每个重复随机取3只鸡(共36只)断颈取血,测定血清中产蛋相关激素的水平。
结果如下:
表4饲料添加剂对蛋鸡产蛋高峰后期生产性能的影响效果
注:数据均是means±SD;同列不同的小写字母代表具有显著性差异,P﹤0.05。
表5饲料添加剂对蛋鸡产蛋高峰后期血清产蛋相关激素水平的影响效果
注:数据均是means±SD;同列不同的小写字母代表具有显著性差异,P﹤0.05。
从表4可以看出,采用上述饲料添加剂饲喂蛋鸡,可以显著提高蛋鸡产蛋率、单个蛋重,降低料蛋比和鸡的死亡,提高了蛋鸡的生产性能和饲料转化率。
从表5可以看出,采用上述饲料添加剂饲喂蛋鸡,可以显著提高蛋鸡血清中促卵泡激素和促黄体激素的水平,从而提高了蛋鸡的生产性能。
实施例5
饲料添加剂的配方为:以重量百分数计,单月桂酸甘油酯45%、双月桂酸甘油酯10%、单硬脂酸甘油酯30%和载体(麦芽糊精)15%。
120只18周龄海兰褐品种蛋鸡随机分成4组,每组3个重复,每个重复10只鸡。对照组饲喂基础饲粮,实验组1、2、3分别在基础饲粮基础上添加质量分数0.05%、0.1%、0.2%的上述饲料添加剂,试验期共35周。
试验鸡采用阶梯式笼养,每天喂料2次,拣蛋1次,喂料、饮水、清洁、消毒、防疫均按鸡场现行措施进行。试验过程中,以重复为单位,每天记录饲养场温湿度,每天同一时间记录各组产蛋数、蛋重、采食量和料蛋比。
结果如下:
表6长期饲喂饲料添加剂对蛋鸡生产性能的影响效果
注:数据均是means±SD;同列不同的小写字母代表具有显著性差异,P﹤0.05。
由表6中可以看出,采用上述饲料添加剂饲喂蛋鸡,可以显著提高蛋鸡产蛋率、单个蛋重,降低料蛋比,提高蛋鸡的生产性能和饲料转化率。
实施例6
450只22周龄海兰褐品种蛋鸡随机分成5组,每组6个重复,每个重复15只鸡。对照组饲喂基础饲粮,实验组1、2、3、4分别在基础饲粮基础上添加质量分数0.1%的饲料添加剂,试验期共10周。其中,实验组1、2、3、4的饲料添加剂配方如下:
实验组1:以重量百分数计,单月桂酸甘油酯45%、双月桂酸甘油酯10%、单硬脂酸甘油酯30%和载体(淀粉)15%。
实验组2:以重量百分数计,单月桂酸甘油酯40%、双月桂酸甘油酯15%、单硬脂酸甘油酯30%和载体(二氧化硅)15%。
实验组3:以重量百分数计,单月桂酸甘油酯20%、双月桂酸甘油酯25%、单硬脂酸甘油酯35%和载体(淀粉)20%。
实验组4:以重量百分数计,单月桂酸甘油酯10%、双月桂酸甘油酯30%、单硬脂酸甘油酯50%和载体(麦芽糊精)10%。
试验鸡采用阶梯式笼养,每天喂料2次,拣蛋1次,喂料、饮水、清洁、消毒、防疫均按鸡场现行措施进行。试验过程中,以重复为单位,每天记录饲养场温湿度,每天同一时间记录各组产蛋数、蛋重、采食量和料蛋比。试验期结束前一天随机抽取鸡蛋样品,每个重复5枚,分析测定鸡蛋品质。
表7饲料添加剂对蛋鸡蛋品质的影响效果
表8饲料添加剂对蛋鸡生产性能的影响效果
注:数据均是means±SD;同列不同的小写字母代表具有显著性差异,P﹤0.05。
综合表7、8结果来看,实验组1、2、3、4对蛋鸡鸡蛋品质和生产性能均有显著的提高作用。其中,实验组2、3添加的饲料添加剂对蛋鸡蛋白高度、哈氏指数、蛋黄颜色、蛋壳厚度、蛋壳强度等鸡蛋品质指标的提高效果优于实验组1、4。同时,实验组2、3添加的饲料添加剂对蛋鸡产蛋率、单个蛋重、料蛋比等生产性能指标的提高效果优于实验组1、2。由此,确定饲料添加剂优选的范围为:以重量百分数计,所述饲料添加剂包括:单月桂酸甘油酯20~40%,双月桂酸甘油酯15~25%,单硬脂酸甘油酯30~40%,载体15~20%。
综上所述,实验例1~2说明上述饲料添加剂对各生长阶段的蛋鸡,不管是长期饲喂还是阶段性饲喂,都能显著提高蛋白高度、哈氏指数、蛋黄颜色、蛋黄比、蛋壳强度和蛋壳厚度。
实施例3说明上述饲料添加剂可以显著增加蛋鸡的小肠绒毛长度和V/C,提高蛋鸡的消化能力。
实验例4~5说明上述饲料添加剂对各生长阶段的蛋鸡,不管是长期饲喂还是阶段性饲喂,都能显著提高产蛋率、单个蛋重及饲料转化率。
实施例6说明饲料添加剂优选的范围为:以重量百分数计,所述饲料添加剂包括:单月桂酸甘油酯20~40%,双月桂酸甘油酯15~25%,单硬脂酸甘油酯30~40%,载体15~20%。
最后说明的是,以上实施例仅用以说明本发明的技术方案而非限制,本领域普通技术人员对本发明的技术方案所做的其他修改或者等同替换,只要不脱离本发明技术方案的精神和范围,均应涵盖在本发明的权利要求范围当中。
Claims (1)
1.饲料添加剂在制备提高鸡蛋品质的蛋鸡饲料中的应用,其特征在于,以重量百分数计,所述饲料添加剂为:单月桂酸甘油酯40%,双月桂酸甘油酯15%,单硬脂酸甘油酯30%,载体15%;所述的载体为二氧化硅;
所述的鸡蛋品质为蛋白高度、哈氏指数、蛋黄颜色、蛋黄比、蛋壳强度、蛋壳厚度、蛋壳比中的至少一种;
所述饲料添加剂在所述蛋鸡饲料中的添加量为0.1%;
所述蛋鸡饲料包括饲料原料和所述饲料添加剂;
所述饲料原料的配方为:以重量百分数计,玉米61.56%,豆粕24.83%,石子4.14%,石粉3.81%,鱼油0.03%,菜油0.66%,预混料4.97%;
所述预混料的营养成分为:以1kg预混料计,维生素A 80.0~200KIU,维生素D3 40.0~99.6KIU,维生素E≥484mg,维生素B1≥44.0mg,维生素B2≥116mg,维生素B6≥58.0mg,维生素B12≥0.40mg,生物素≥3.00mg,铜130~500mg,铁1200~15000mg,锰1290~3000mg,锌1200~1300mg,硒4.00~6.00mg,总磷0.3~3.6%,氯化钠≥8.0%,粗蛋白质≥6%,水分≤9.0%;
所述饲料原料的营养成分为:以重量百分数计,粗蛋白15.91%,粗脂肪2.86%,赖氨酸0.61%,蛋氨酸0.16%,半胱氨酸0.16%,总钙3.35%,总磷0.8%,有效磷0.5%。
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