CN111587956A - 一种提高仔猪成活率的代乳料及其饲喂方法 - Google Patents
一种提高仔猪成活率的代乳料及其饲喂方法 Download PDFInfo
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Abstract
本发明公开了一种提高仔猪成活率的代乳料及其饲喂方法。所述代乳料包括乳制品复合包,高消化蛋白复合包,复合型膨化米粉,椰子油,豆油,包被式精油酸化剂,复合益生菌,复合酶制剂,乳化剂,香味剂,复合维生素,复合有机微量元素,甲酸钙,磷酸二氢钙及复合氨基酸。本发明可完全替代母猪,出生即可使用,选择乳制品复合包,根据仔猪断奶前后的生理特点,保证乳蛋白,乳脂,乳糖合理的营养供给,从适口性到营养无限接近母乳。富含乳铁蛋白、免疫球蛋白,可替代母乳,弥补初产母猪及高胎龄母猪的初乳质量差,及非洲猪瘟疫情严重的情况下造成的母猪淘汰仔猪无乳可食的问题,保证仔猪的成活率。
Description
技术领域
本发明涉及一种提高仔猪成活率的代乳料及其饲喂方案,属于猪饲料技术领域。
背景技术
仔猪的成活率一直是畜牧养殖业的难题,而目前我国多采用3-4周龄断奶,仔猪断奶后不可避免的引起小肠结构变化、内源消化酶活性低、肠道微生态系统失调,此时仔猪的免疫力低下,很容易患病或死亡。除断奶后的死亡率高之外,很大一部分的死亡率来自仔猪出生后5天,因此如何提高仔猪出生后5天的成活率也至关重要。
初产母猪及6胎以上的高胎龄母猪会因泌乳量不足,奶水质量差,尤其是初乳分泌量不足,使新生仔猪不能摄取充足的初乳,成活率低,断奶重也不达标。在目前非瘟肆虐的时期,更有一些母猪因生产应激,产后就被淘汰,造成仔猪无母代养,因此,开发一种接近母猪乳汁要求,富含免疫球蛋白,可替代母乳,提高仔猪成活率的代乳料及其配合适宜的饲喂方案对于提高仔猪的成活率至关重要。
哺乳仔猪断奶后,日粮的改变,能量来源由乳糖、乳脂转变为由谷物淀粉供给,由完全被消化吸收的酪蛋白变成了消化率较低的植物蛋白,并且饲料中还有仔猪几乎不能消化的不溶性淀粉和纤维素,仔猪由于不能适应断奶期间的饲料而引起应激。增加了断奶后仔猪的死亡率。另外断奶后前三天的采食量低,引起仔猪肠道饥饿,加之饲料的可消化性差,极易引起仔猪腹泻甚至死亡,因此,开发一种提高仔猪成活率的代乳料及其饲喂方案对于提高仔猪的成活率至关重要。
现有的代乳料多是集中在解决断奶后采食下降,仔猪不食,仔猪腹泻等问题提高仔猪断奶后的成活率,提高的断奶后采食不佳,产品组成方式上更倾向于教槽料。而提高哺乳期仔猪的成活率,特别是在非瘟疫情时期,更加重要。
公开号CN107373027A的中国专利公开了一种出生至2周龄哺乳仔猪配方液体饲料及其应用,该技术方案中蛋白原料选用上多以血浆蛋白粉,肠膜蛋白粉,血球蛋白粉为主,血浆蛋白粉中保留了原血血浆中各种功能性免疫球蛋白和活性物质,能有效防止仔猪的肠道感染,降低免疫刺激,是防止仔猪断奶后生长停滞和下痢最有效的动物蛋白原料。而2018年非洲猪瘟疫情在中国爆发后,农业部曾一度提出猪料中猪血等制品的禁用的公告(例如,血浆蛋白粉,肠膜蛋白粉,血球蛋白粉等),人们对于血制品的安全性甚是担忧,因此选择效果更优,安全性更高的蛋白源,对于当代代乳料更为重要。
公开号CN101181019A的中国专利公开了一种仔猪代乳饲料,其在原料的选择上采用大量的植物蛋白(例如去皮豆粕,膨化大豆,发酵豆粕等),甚至是未经任何预消化处理的原料(例如玉米),对于仔猪发育不完善的消化系统及免疫系统,是致命的伤害,甚至是仔猪断奶后正常使用也存在一定的腹泻风险,更别说完全替代母乳。现有技术代乳料中,有部分产品中则采用了具有促生长功效的抗生素,以此来解决该类所谓的代乳料所引起的仔猪腹泻问题,而农业部194号公告已明确提出2020年7月1日起饲料中禁止使用促生长功能的抗生素,因此采用保护肠道健康综合技术是安全绿色的新技术,而非单一的抗生素技术,或者是酸化剂技术、酶制剂技术、微生态技术所能解决的。
发明内容
本发明所要解决的技术问题是:母猪无乳,母猪产后即被淘汰,仔猪无母情况下,提供一种适用于窝内弱仔的代乳料,以提高仔猪成活率。
为了解决上述技术问题,本发明提供了一种提高仔猪成活率的代乳料,其特征在于,包括以下以重量份数计的乳制品复合包40-60份,高消化蛋白复合包10-20份,复合型膨化米粉15-30份,椰子油1-2份,豆油1-2份,包被式精油酸化剂0.5-1份,复合益生菌0.1-0.3份,复合酶制剂0.05-0.1份,乳化剂0.03-0.05份,香味剂0.03-0.05份,复合维生素0.03-0.05份,复合有机微量元素0.1-0.4份,甲酸钙0.4-0.8份,磷酸二氢钙0.4-0.8份及复合氨基酸0.8-1.5份。
优选地,所述乳制品复合包包括以重量份数计的乳铁蛋白粉0.05-0.15份及高蛋白乳清粉10-20份,低蛋白乳清15-30份,全脂奶粉10-20份,脱脂奶粉15-30份,奶酪粉10-20份,乳糖粉15-25份和奶酪粉5-10份中的至少五种。采用乳制品复合包的形式,很好的保证了对于断奶仔猪的乳蛋白,乳脂,乳糖合理的营养供给,适口上与母乳做到很好的衔接,同时保证了乳铁蛋白的供给及免疫球蛋白的含量。虽然乳铁蛋白在早期断奶仔猪上已有一定的应用,促进仔猪的生长。在仔猪的日粮中加入乳铁蛋白,能够改善仔猪肠道微生物菌群、防止肠道腹泻、增强仔猪肠道对营养物质的吸收能力。但本发明加大乳铁蛋白的使用量,在其以往的功能上,进一步发现本代乳料可以做到仔猪出生即食,弥补初乳不足,同时可以解决了断奶后三天仔猪采食低,掉膘严重死亡率高等现象。
优选地,所述高消化蛋白复合包包括以重量份数计的乳清浓缩蛋白30-60份,发酵酶解豆粕10-30份,深海白鱼粉10-30份和酵母水解物5-20份中的至少三种。其中,乳清浓缩蛋内含有高比例免疫球蛋白和抑菌蛋白(如溶菌酶、乳铁蛋白、核昔酸等)可提高机体免疫防御和肠道屏障功能。(市面成熟产品)。发酵酶解豆粕,以大豆蛋白为原料,通过定向酶解和复合益生菌的发酵联合技术,消除大豆的抗原蛋白。含大量益生菌,主要为酵母菌、粪肠球菌,有益菌数达2×108CFU/g以上。其具有乳香味和特有的发酵香味,适口性好。深海白鱼粉以白俄罗斯美国鳕鱼鲽鱼为主加工制成,与猪料中常用的秘鲁鳀鱼粉相比,深海鳕鱼粉的蛋白质含量高,而脂肪含量比其他鱼粉低,变质少。挥发性盐基氮低于40mL/100g;组胺低于50ppm,更适于初生仔猪。并且EPA、DHA具有提高仔猪免疫力的功能,而饲料中直接添加EPA、DHA成本太高,通过使用深海白鱼粉获得其功效是明智的选。酵母水解物是选用高活性酿酒酵母为原料,经自溶、酶解、分离、浓缩、喷雾干燥等工艺精制而成。酵母水解物中核酸与核苷酸含量丰富,参与机体内一系列的生理调节过程,是动物组织生长和发育的必需物质。酵母水解物中氨基酸和小肽易于消化吸收,在动物蛋白质营养中具有显著优势,此外,酵母水解物中的免疫多糖,可增强机体免疫和抗病力。动物蛋白和少量植物蛋白的复合使用方式,对于氨基酸的平衡性更好,同时确保蛋白的高消化率。利于新生仔猪的肠道建设及免疫力的打造。
优选地,所述复合型膨化米粉湿法膨化工艺制作而成:将新鲜大米与糯米以1:1的质量比混合后,对混合物施以高温高压然后减压,利用大米及糯米本身的膨胀特性和其内部水分的瞬时闪蒸,使大米和糯米的组织结构和理化性能发生改变。所得产品质量稳定性好。充分发挥了糯米的高支链淀粉特性,更容易与消化酶接触,这种复合型膨化米粉,除了常规的高消化性外,本发明中发现了对仔猪肠道健康的特殊功效,肠道免疫力的提升。大米中富含直链淀粉,产生的抗性淀粉到达结肠,经微生物发酵,在此过程中产生具有抗炎特性的代谢物(短链脂肪酸),促进肠道内微生物区系的变化,炎症免疫的变化。
优选地,所述包被式精油酸化剂包括松露提取物、月桂醛、丁香酚,乳酸、苯甲酸、壬酸、辛酸、二氧化硅、明胶、变性淀粉及硬脂酸。
更优选地,所述包被式精油酸化剂中松露提取物的质量百分比为1-2.5%,月桂醛的质量百分比为6-15%,丁香酚的质量百分比为1-2.5%,乳酸的质量百分比为25-40%,苯甲酸的质量百分比为20-30%,壬酸的质量百分比为1-2.5%,辛酸的质量百分比为1-2.5%。
优选地,所述复合益生菌由乳酸菌、枯草芽孢杆菌及酵母菌复配而得。
更优选地,所述乳酸菌的活菌数≥1×109cfu/g,枯草芽孢杆菌的活菌数≥1×109cfu/g,酵母菌的活菌数≥1×109cfu/g。该复合益生菌可维持肠道微生态平衡,保护肠道的完整性,提高机体免疫力。
优选地,所述复合酶制剂中含有蛋白水解酶2000-2500万U/kg、淀粉酶30-50万U/kg、脂肪酶100-500mg/kg、溶菌酶300-800mg/kg。该复合酶制剂区别于市面上以NSP酶为主的复合酶形式,以蛋白酶为主。主要用于提高仔猪机体对饲料的消化能力,一方面可提高饲料的利用率,另一方面可避免未被消化的营养物质到大肠后段发生腐败产生吲哚、胺类、酚类等物质而损害肠黏膜。
本发明还提供了上述提高仔猪成活率的代乳料的饲喂方法,其特征在于,采用以下具体方法:
方法一,对于断奶前仔猪的饲喂:
母猪无乳或母猪产后即被淘汰,仔猪无母乳可食;仔猪可食母乳,但奶水质量差,窝内产生弱仔;
取所述代乳料1重量份,取烧开后50℃的温水3重量份,混合搅拌均匀为一份;
仔猪出生即可食用,将其至于奶瓶中,人工饲喂,每窝断奶仔猪24小时饲喂5-6次,饲喂3-7天或直到仔猪学会独立采食保温容器内代乳料,弥补初乳质量较差,无初乳可食情况,增加仔猪免疫球蛋白的摄入量,提高成活率;
仔猪学会独立采食保温容器内代乳料开始,可将混合后的代乳料置于保温容器内搅拌均匀,24小时饲喂3-4次,;器具务必要保持清洁,每次用完后要清洗、消毒,以免相互传染疾病。弥补目前高产母猪的母乳不足,增加仔猪成活率及断奶体重;
方法二,对于断奶体重不达标的弱仔猪:
断奶后前三天的饲喂方法:将所述代乳料1重量份,取烧开后50℃的温水3重量份,混合搅拌均匀置于保温容器内,每窝断奶仔猪24小时饲喂5-6次;
断奶后4-7天的饲喂方法:将所述代乳料1重量份,取烧开后50℃的温水2重量份,混合搅拌均匀置于保温容器内,每窝断奶仔猪24小时饲喂5-6次;
断奶后8-14天的饲喂方法:将所述代乳料直接置于料槽中,每窝断奶仔猪24小时饲喂3-4次;追求断奶不掉膘,断奶后成活率提高,快速生长,主动免疫快速建立。
方法三,对于断奶体重一般的仔猪:
断奶后前三天的饲喂方法:将所述代乳料1重量份,取烧开后50℃的温水3重量份,混合搅拌均匀为一份,每窝断奶仔猪24小时饲喂5-6次;
断奶后4-14天的饲喂方法:将所述代乳料直接置于料槽中,每窝断奶仔猪24小时饲喂3-4次;可追求断奶不掉膘,快速生长,主动免疫快速建立。
方法四:对于断奶体重优秀的仔猪:
将所述代乳料直接置于料槽中,每窝断奶仔猪24小时饲喂4次。可追求更快的生长速度,主动免疫快速建立。
优选地,所述方法一针对初产母猪或6胎以上高胎龄母猪所产仔猪,或无乳仔猪;所述方法二中断奶体重不达标的弱仔猪为21日龄断奶,体重小于5.5kg的仔猪;所述方法三中断奶体重一般的仔猪为21日龄断奶,体重大于5.5kg且小于6.5kg的仔猪;所述方法四中断奶体重优秀的仔猪为21日龄断奶,体重大于6.5kg的仔猪。
本发明采用了包被式精油酸化剂,以乳酸为主,苯甲酸为主,保证幼仔肠道的高酸性环境,同时配以小比例的壬酸、辛酸、能迅速有效地为幼小动物提供能量,具有显著的抗菌和促生长等功效。酸化剂与月桂醛、丁香酚等协同体现高抑菌性活性,而松露提取物的加入,增强了仔猪免疫力抗病力,这也是非洲猪瘟疫情下产品的重要特色。现有技术的饲喂多是断奶后二周使用,偶有从仔猪采食初乳后使用的,但本产品可以完全替代母猪,可以在仔猪出生后无母的情况下单独使用,正是本发明的创新点。
与现有技术相比,本发明的有益效果在于:
(1)本发明可完全替代母猪,出生即可使用,选择乳制品复合包,根据仔猪断奶前后的生理特点,保证乳蛋白,乳脂,乳糖合理的营养供给,从适口性到营养无限接近母乳。富含乳铁蛋白、免疫球蛋白,可替代母乳,弥补初产母猪及高胎龄母猪的初乳质量差,及非洲猪瘟疫情严重的情况下造成的母猪淘汰仔猪无乳可食的问题,保证仔猪的成活率;与现有技术相比,乳制品复合包中以脱脂奶粉为主,相对于全部使用全脂奶粉更好消化,更利于仔猪出生即食。充足的乳制品除富含免疫球蛋白外,额外添加乳铁蛋白粉,其作为一种非抗体保护蛋白,调节非特异性免疫,增强幼仔抗病力,更利于仔猪出生即食。
(2)本发明强调仔猪肠道健康及主动免疫的建设。
(3)原料的选择以膨化、发酵酶解、水解的预消化原料为主,产品消化率高,保正仔猪健康快速地生长,具有很好的应用前景。
(4)采用包被式精油酸化剂,利用酸化剂和精油的协同作用,采用包被缓释技术,在动物的肠道中发挥最大的功效。复合有机酸的搭配使用,提高消化酶的活性,促进营养物质的消化吸收;复合精油的搭配使用,提高了单一精油的抑菌作用,同时酸化剂和精油的协同作用在保证肠道健康的同时,尤其松露提取物的使用,增强了断奶仔猪自身免疫力的打造。
(5)产品适口性,水溶性,营养性最适合断奶前后仔猪生理需求,提供科学的饲喂指导,针对不同阶段,仔猪不同的断奶体重,有效提高仔猪自身的消化吸收能力与免疫能力。保证仔猪的日增重和断奶前后的成活率。
附图说明
图1为试验组断奶后3天空肠绒毛切片的电镜图;
图2为对照组断奶后3天空肠绒毛切片的电镜图;
图3为试验组断奶后3天回肠绒毛切片的电镜图;
图4为对照组断奶后3天回肠绒毛切片的电镜图。
具体实施方式
为使本发明更明显易懂,兹以优选实施例配合附图,作详细说明如下。
实施例1
一种提高仔猪成活率的代乳料,其包括以下以重量份数计的乳制品复合包50份,高消化蛋白复合包15份,复合型膨化米粉28.18份,椰子油2份,豆油1份,包被式精油酸化剂0.8份,复合益生菌0.2份,复合酶制剂0.08份,乳化剂0.05份,香味剂0.05份,复合维生素0.04份,复合有机微量元素0.2份,甲酸钙0.5份,磷酸二氢钙0.4份及复合氨基酸1.5份;
所述乳制品复合包包括以重量份数计的乳铁蛋白粉0.1份及高蛋白乳清粉10份,低蛋白乳清20份,脱脂奶粉30份,奶酪粉15份,乳糖24.9份。
所述高消化蛋白复合包包括以重量份数计的乳清浓缩蛋白50份,发酵酶解豆粕20份(购自上海邦成产品),深海白鱼粉20份和酵母水解物10份。
所述复合型膨化米粉湿法膨化工艺制作而成:将新鲜大米与糯米以1:1的质量比混合后,对混合物施以高温高压然后减压,利用大米及糯米本身的膨胀特性和其内部水分的瞬时闪蒸,使大米和糯米的组织结构和理化性能发生改变。
所述包被式精油酸化剂按本发明要求定制于上海邦成生物科技有限公司,松露提取物、月桂醛、丁香酚,乳酸、苯甲酸、壬酸、辛酸、二氧化硅、明胶、变性淀粉及硬脂酸。包被式精油酸化剂中松露提取物的质量百分比为2.5%,月桂醛的质量百分比为10%,丁香酚的质量百分比为2.5%,乳酸的质量百分比为40%,苯甲酸的质量百分比为20%,壬酸的质量百分比为2.5%,辛酸的质量百分比为2.5%,其余为载体。
所述复合益生菌由乳酸菌、枯草芽孢杆菌及酵母菌复配而得。乳酸菌的活菌数≥1×109cfu/g,枯草芽孢杆菌的活菌数≥1×109cfu/g,酵母菌的活菌数≥1×109cfu/g。
所述复合酶制剂中含有蛋白水解酶2500万U/kg、淀粉酶50万U/kg、脂肪酶500mg/kg、溶菌酶600mg/kg(复合酶中蛋白水解酶、淀粉酶购自北京某公司、脂肪酶购自杭州某公司、溶菌酶购自上海某公司)。
上述提高仔猪成活率的代乳料的饲喂方法:
取所述代乳料1重量份,取烧开后50℃的温水3重量份,混合搅拌均匀为一份;仔猪8日龄开始补饲,将混合后的代乳料置于保温容器内搅拌均匀,每日补充3次;
对于断奶体重一般的仔猪(21日龄断奶,体重大于5.5kg且小于6.5kg):
断奶后前三天的饲喂方法:将所述代乳料1重量份,取烧开后50℃的温水3重量份,混合搅拌均匀置于保温容器内,每窝断奶仔猪24小时饲喂6次;
断奶后4-14天的饲喂方法:将所述代乳料直接置于料槽中,每窝断奶仔猪24小时饲喂4次。
一、上述方法制得的代乳料的粒径达到90%通过40目,适口性好,水溶性好,营养充足最适合断奶前后仔猪生理需求的代乳料。主要营养指标如表1所示。
表1
消化能,kcal | ≥3650 |
粗蛋白质,% | ≥18 |
粗纤维,% | ≤4.0 |
粗灰分,% | ≤8.0 |
钙,% | 0.6-1.0 |
总磷,% | ≥0.5 |
食盐,% | 0.3-1.5 |
赖氨酸,% | ≥1.5 |
功效评价试验
为验证本发明效果,将本实施例产品与市场常规代乳料进行对比试验,试验具体实施如下:试验于2019年3月10至2019年4月7日在上海新邦生物科技有限公司扬州养殖场进行。选择同期出生、母猪胎龄相近、出生重相近的初生仔猪260头,随机分为两组,分别为实验组和对照组,试验组饲喂实施例所配制成的代乳料,对照组饲喂市场所购买的代乳料。试验分为两阶段:第一阶段为哺乳教槽期,乳猪从8日龄开始补饲代乳料,为期14天,主要目的是使补充母猪奶水不足,促进仔猪肠道发育及免疫力建设,提高断奶重,断奶前的代乳料的采食量不计入结果当中。第二阶段为断奶后,21日龄断奶时分别从每组中选择体重相近、健康状况相近的仔猪120头继续试验,为正式试验,为期14天。正式期开始及结束时以重复为单位对试验猪进行空腹称重,每天记录每个重复的采食量,腹泻率及病死率。试验结果如表2所示。
表2
由表2可知,本发明可提高仔猪采食量、日增重,降低料重比,降低仔猪腹泻率,提高成活率,有效提高仔猪的生长性能。
后期继续跟踪这2批猪35日龄至55日龄的小保育期成活率分别是对照组94.25%和试验组99.05%,55日龄转栏重对照组16.82kg,试验组19.25kg,这可能与本发明采用一种提高仔猪成活率的代乳料的营养方案,促进机体主要消化吸收器官及最大的免疫器官——胃肠道的发育,免疫力高,保证了后期的健康和高效生长有关。
实施例2
一种提高仔猪成活率的代乳料,其包括以下以重量份数计的乳制品复合包60份,高消化蛋白复合包12份,复合型膨化米粉21.18份,椰子油2份,豆油1份,包被式精油酸化剂0.8份,复合益生菌0.2份,复合酶制剂0.08份,乳化剂0.05份,香味剂.05份,复合维生素0.04份,复合有机微量元素0.2份,甲酸钙0.5份,磷酸二氢钙0.4份及复合氨基酸1.5份;
所述乳制品复合包包括以重量份数计的乳铁蛋白粉0.15份及高蛋白乳清粉20份,低蛋白乳清20份,脱脂奶粉30份,全脂奶粉8份,乳糖21.85份。
所述高消化蛋白复合包包括以重量份数计的乳清浓缩蛋白55份,发酵酶解豆粕15份(购自上海邦成产品),深海白鱼粉20份和酵母水解物10份。
所述复合型膨化米粉湿法膨化工艺制作而成:将新鲜大米与糯米以1:1的质量比混合后,对混合物施以高温高压然后减压,利用大米及糯米本身的膨胀特性和其内部水分的瞬时闪蒸,使大米和糯米的组织结构和理化性能发生改变。
所述包被式精油酸化剂按本发明要求定制于上海邦成生物科技有限公司,松露提取物、月桂醛、丁香酚,乳酸、苯甲酸、壬酸、辛酸、二氧化硅、明胶、变性淀粉及硬脂酸。包被式精油酸化剂中松露提取物的质量百分比为2.5%,月桂醛的质量百分比为10%,丁香酚的质量百分比为2.5%,乳酸的质量百分比为40%,苯甲酸的质量百分比为20%,壬酸的质量百分比为2.5%,辛酸的质量百分比为2.5%,其余为载体。
所述复合益生菌由乳酸菌、枯草芽孢杆菌及酵母菌复配而得。乳酸菌的活菌数≥1×109cfu/g,枯草芽孢杆菌的活菌数≥1×109cfu/g,酵母菌的活菌数≥1×109cfu/g。
所述复合酶制剂中含有蛋白水解酶2500万U/kg、淀粉酶50万U/kg、脂肪酶500mg/kg、溶菌酶600mg/kg(复合酶中蛋白水解酶、淀粉酶购自北京某公司、脂肪酶购自杭州某公司、溶菌酶购自上海某公司)。
上述提高仔猪成活率的代乳料的饲喂方法:
取所述代乳料1重量份,取烧开后50℃的温水3重量份,混合搅拌均匀为一份;仔猪出生即可食用,将其至于奶瓶中,人工饲喂,每窝断奶仔猪24小时饲喂6次,饲喂3天,仔猪4日龄开始,将混合后的代乳料置于保温容器内搅拌均匀,每日补充5次;
对于断奶体重优秀的仔猪(21日龄断奶,体重大于6.5kg),将所述代乳料直接置于料槽中,每窝断奶仔猪24小时饲喂4次。
本试验在江苏泰州红星猪场进行,选取胎龄相近母猪所产仔猪16窝,试验仔猪随机分为2组,A组试验组饲喂本发明代乳料,B组对照组饲喂市场在售代乳料。饲养管理:按照猪场正常的生产流程进行喂料、供水、免疫等。
1、测定基础生长指标:
仔猪初生窝重
仔猪初生开始补料,记录不同代乳料21断奶重差异
记录仔猪21日龄断奶到35日龄的始末体重,日采食量,日增重,腹泻率,料肉比等指标。
腹泻率(%)=Σ(腹泻仔猪头数×腹泻天数)/(仔猪总头数×总试验天数)×100
断奶3天,仔猪空腹12h,每组随机抽取8头试验猪屠宰,分离肠道,剪取空肠回肠中段各1cm,经处理进行石蜡包埋,进行切片(厚度为6um),染色,封片,在显微镜下进行观察和拍照,取平均值。
断奶14天,每组随机抓取8头猪,前腔静脉采血,室温静置30min,6000r,离心15min,分离血清,-80℃保存。使用ELISA试剂盒进行血清中免疫球蛋白G(IgG)、免疫球蛋白A(IgA)、免疫球蛋白M(IgM)含量的测定。
试验结果
1、生长性能(见表3)
表3
由表3可知,仔猪初生开始补料,取本发明代乳料1重量份,取烧开后50摄氏度的温水3重量份,将其至于奶瓶中,人工饲喂,前三天每日补充5次。弥补目前高产母猪的母乳不足,增加断奶仔猪体重。本试验代乳料水溶性明显好于市售代乳料,水溶物乳香浓郁,小猪喜食。且在平均初生窝重无差异的情况下,断奶窝重产生差异,证明本代乳料与母猪接近,提高了仔猪的断奶重。
肠道不仅是机体消化、吸收营养物质的主要场所,也是机体重要的免疫器官,防御屏障。当仔猪发生断奶应激时,小肠黏膜形态结构完整性遭到破坏,常常表现为肠绒毛高度下降、肠隐窝变深、绒毛高度与隐窝深度的比值下降。由图1-4可见,电镜下断奶后三天空肠和回肠绒毛;表4为断奶后三天空肠和回肠绒毛高度及隐窝深度变化,绒毛高度与隐窝深度的比值(VH:CD)则综合反应小肠的功能状态,比值下降,表示小肠消化功能下降。试验表明本试验组肠道组织完整性更好。机体血浆免疫球蛋白IgA、IgM、IgG,在增强机体免疫机能和抗病原菌感染方面起着决定性的作用。本实施例在断奶14天时,试验组的IgA、IgM、IgG的含量都是高于对照组,并且IgA的含量达到了显著水平。如表5所示,本实施例能够显著提高断奶仔猪免疫机能。
表4
表5
21日龄断奶后,本发明代乳料对于仔猪成活率及35日龄教槽结束时的末重影响更大,本发明代乳料能够提高仔猪生长性能,减少仔猪腹泻率。最终本发明通过提高仔猪肠道健康,提高仔猪免疫力,提高断奶仔猪及保育仔猪的成活率、日增重以及饲料转化率。
实施例3
一种提高仔猪成活率的代乳料,其包括以下以重量份数计的乳制品复合包60份,高消化蛋白复合包12份,复合型膨化米粉21.18份,椰子油2份,豆油1份,包被式精油酸化剂0.8份,复合益生菌0.2份,复合酶制剂0.08份,乳化剂0.05份,香味剂0.05份,复合维生素0.04份,复合有机微量元素0.2份,甲酸钙0.5份,磷酸二氢钙0.4份及复合氨基酸1.5份;
所述乳制品复合包包括以重量份数计的乳铁蛋白粉0.15份及高蛋白乳清粉15份,低蛋白乳清25份,脱脂奶粉30份,全脂奶粉10份,乳糖19.85份。
所述高消化蛋白复合包包括以重量份数计的乳清浓缩蛋白60份,深海白鱼粉25份和酵母水解物15份。
所述复合型膨化米粉湿法膨化工艺制作而成:将新鲜大米与糯米以1:1的质量比混合后,对混合物施以高温高压然后减压,利用大米及糯米本身的膨胀特性和其内部水分的瞬时闪蒸,使大米和糯米的组织结构和理化性能发生改变。
所述包被式精油酸化剂按本发明要求定制于上海邦成生物科技有限公司,松露提取物、月桂醛、丁香酚,乳酸、苯甲酸、壬酸、辛酸、二氧化硅、明胶、变性淀粉及硬脂酸。包被式精油酸化剂中松露提取物的质量百分比为2.5%,月桂醛的质量百分比为10%,丁香酚的质量百分比为2.5%,乳酸的质量百分比为40%,苯甲酸的质量百分比为20%,壬酸的质量百分比为2.5%,辛酸的质量百分比为2.5%,其余为载体。
所述复合益生菌由乳酸菌、枯草芽孢杆菌及酵母菌复配而得。乳酸菌的活菌数≥1×109cfu/g,枯草芽孢杆菌的活菌数≥1×109cfu/g,酵母菌的活菌数≥1×109cfu/g。
所述复合酶制剂中含有蛋白水解酶2500万U/kg、淀粉酶50万U/kg、脂肪酶500mg/kg、溶菌酶600mg/kg(复合酶中蛋白水解酶、淀粉酶购自北京某公司、脂肪酶购自杭州某公司、溶菌酶购自上海某公司)。
上述提高仔猪成活率的代乳料的饲喂方法:
仔猪出生即可喂养,将其至于奶瓶中,人工饲喂,每日饲喂5次,饲喂3-7天或直到仔猪学会独立采食保温容器内代乳料,弥补初乳质量较差,无初乳可食情况,增加仔猪免疫球蛋白的摄入量,提高成活率;
仔猪8日龄开始补饲,将混合后的代乳料置于保温容器内搅拌均匀,每日补充3次;器具务必要保持清洁,每次用完后要清洗、消毒,以免相互传染疾病。弥补目前高产母猪的母乳不足,增加断奶仔猪体重;
三、本试验在江苏泰州红星猪场进行,选取7胎龄母猪4窝,产后母猪即淘汰,试验仔猪随机分为2组,A组试验组饲喂本发明代乳料,B组对照组饲喂市场在售代乳料。饲养管理:按照代乳料饲喂方式进行。
1、测定基础生长指标:
仔猪初生窝重
仔猪初生开始补料,记录不同代乳料21断奶重差异
记录仔猪21日龄断奶体重,腹泻率,成活率等指标。
腹泻率(%)=Σ(腹泻仔猪头数×腹泻天数)/(仔猪总头数×总试验天数)×100
试验结果
1、生长性能(见表6)
表6
由表6可知,仔猪出生即可补饲,取一种提高仔猪成活率的代乳料1重量份,取烧开后50摄氏度的温水3重量份,至于奶瓶中,人工饲喂,每日饲喂5次,试验组人工饲喂7天后,仔猪学会独立采食保温容器内代乳料,且21日龄断奶重平均达6.02kg,说明本发明代乳料可弥补无初乳可食情况,保证仔猪免疫球蛋白的摄入量,提高成活率。而人工奶瓶饲喂B组代乳料第一天就全群出现严重的腹泻,10天内仅剩一头初生重最大的仔猪成活,其余全部因腹泻死亡,饲养员全程采用奶瓶饲喂,21日龄断奶仅4.05kg。本发明代乳料对于仔猪成活率达95%,B组代乳料成活率仅有5%,本发明代乳料能够完全代替母猪。而代乳料B不能做到完全替代母猪,估计只能提高断奶后仔猪的采食量,减轻断奶后三天的掉膘问题。
Claims (11)
1.一种提高仔猪成活率的代乳料,其特征在于,包括以下以重量份数计的乳制品复合包40-60份,高消化蛋白复合包10-20份,复合型膨化米粉15-30份,椰子油1-2份,豆油1-2份,包被式精油酸化剂0.5-1份,复合益生菌0.1-0.3份,复合酶制剂0.05-0.1份,乳化剂0.03-0.05份,香味剂0.03-0.05份,复合维生素0.03-0.05份,复合有机微量元素0.1-0.4份,甲酸钙0.4-0.8份,磷酸二氢钙0.4-0.8份及复合氨基酸0.8-1.5份。
2.如权利要求1所述的提高仔猪成活率的代乳料,其特征在于,所述乳制品复合包包括以重量份数计的乳铁蛋白粉0.05-0.15份及高蛋白乳清粉10-20份,低蛋白乳清15-30份,全脂奶粉10-20份,脱脂奶粉15-30份,奶酪粉10-20份,乳糖粉15-25份和奶酪粉5-10份中的至少五种。
3.如权利要求1所述的提高仔猪成活率的代乳料,其特征在于,所述高消化蛋白复合包包括以重量份数计的乳清浓缩蛋白30-60份,发酵酶解豆粕10-30份,深海白鱼粉10-30份和酵母水解物5-20份中的至少三种。
4.如权利要求1所述的提高仔猪成活率的代乳料,其特征在于,所述复合型膨化米粉湿法膨化工艺制作而成:将新鲜大米与糯米以1:1的质量比混合后,对混合物施以高温高压然后减压,利用大米及糯米本身的膨胀特性和其内部水分的瞬时闪蒸,使大米和糯米的组织结构和理化性能发生改变。
5.如权利要求1所述的提高仔猪成活率的代乳料,其特征在于,所述包被式精油酸化剂包括松露提取物、月桂醛、丁香酚,乳酸、苯甲酸、壬酸、辛酸、二氧化硅、明胶、变性淀粉及硬脂酸。
6.如权利要求5所述的提高仔猪成活率的代乳料,其特征在于,所述包被式精油酸化剂中松露提取物的质量百分比为1-2.5%、月桂醛的质量百分比为6-15%,丁香酚的质量百分比为1-2.5%,乳酸的质量百分比为25-40%、苯甲酸的质量百分比为20-30%、壬酸的质量百分比为1-2.5%、辛酸的质量百分比为1-2.5%。
7.如权利要求1所述的提高仔猪成活率的代乳料,其特征在于,所述复合益生菌由乳酸菌、枯草芽孢杆菌及酵母菌复配而得。
8.如权利要求7所述的提高仔猪成活率的代乳料,其特征在于,所述乳酸菌的活菌数≥1×109cfu/g,枯草芽孢杆菌的活菌数≥1×109cfu/g,酵母菌的活菌数≥1×109cfu/g。
9.如权利要求1所述的提高仔猪成活率的代乳料,其特征在于,所述复合酶制剂中含有蛋白水解酶2000-2500万U/kg、淀粉酶30-50万U/kg、脂肪酶100-500mg/kg、溶菌酶300-800mg/kg。
10.权利要求1-9任意一项所述的提高仔猪成活率的代乳料的饲喂方法,其特征在于,采用以下具体方法:
方法一,对于断奶前仔猪的饲喂:
母猪无乳或母猪产后即被淘汰,仔猪无母乳可食;仔猪可食母乳,但奶水质量差,窝内产生弱仔;
取所述代乳料1重量份,取烧开后50℃的温水3重量份,混合搅拌均匀为一份;
仔猪出生即可食用,将其至于奶瓶中,人工饲喂,每窝断奶仔猪24小时饲喂5-6次,饲喂3-7天或直到仔猪学会独立采食保温容器内代乳料,弥补初乳质量较差,无初乳可食情况,增加仔猪免疫球蛋白的摄入量,提高成活率;
仔猪学会独立采食保温容器内代乳料开始,可将混合后的代乳料置于保温容器内搅拌均匀,24小时饲喂3-4次,;器具务必要保持清洁,每次用完后要清洗、消毒,以免相互传染疾病。弥补目前高产母猪的母乳不足,增加仔猪成活率及断奶体重;
方法二,对于断奶体重不达标的弱仔猪:
断奶后前三天的饲喂方法:将所述代乳料1重量份,取烧开后50℃的温水3重量份,混合搅拌均匀置于保温容器内,每窝断奶仔猪24小时饲喂5-6次;
断奶后4-7天的饲喂方法:将所述代乳料1重量份,取烧开后50℃的温水2重量份,混合搅拌均匀置于保温容器内,每窝断奶仔猪24小时饲喂5-6次;
断奶后8-14天的饲喂方法:将所述代乳料直接置于料槽中,每窝断奶仔猪24小时饲喂3-4次;
方法三,对于断奶体重一般的仔猪:
断奶后前三天的饲喂方法:将所述代乳料1重量份,取烧开后50℃的温水3重量份,混合搅拌均匀为一份,每窝断奶仔猪24小时饲喂5-6次;
断奶后4-14天的饲喂方法:将所述代乳料直接置于料槽中,每窝断奶仔猪24小时饲喂3-4次;
方法四:对于断奶体重优秀的仔猪:
将所述代乳料直接置于料槽中,每窝断奶仔猪24小时饲喂4次。
11.如权利要求10所述的提高仔猪成活率的代乳料的饲喂方法,其特征在于,所述方法一针对初产母猪或6胎以上高胎龄母猪所产仔猪,或无乳仔猪;所述方法二中断奶体重不达标的弱仔猪为21日龄断奶,体重小于5.5kg的仔猪;所述方法三中断奶体重一般的仔猪为21日龄断奶,体重大于5.5kg且小于6.5kg的仔猪;所述方法四中断奶体重优秀的仔猪为21日龄断奶,体重大于6.5kg的仔猪。
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