Effect of dietary conjugated linoleic acid supplementation during late gestation on colostrum yield, fatty acid composition, and IgG concentrations in primiparous sows
Effect of dietary conjugated linoleic acid supplementation during late gestation on colostrum yield, fatty acid composition, and IgG concentrations in primiparous sows
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妊娠后期日粮中添加共轭亚油酸对初产母猪初乳产量、脂肪酸组成和 IgG 浓度的影响
DOI：
10.1139/cjas-2017-0202
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发表时间：
2018-05
影响因子：
1
通讯作者：
L.Q.
中科院分区：
文献类型：
--
作者：
H. Liu;F. Wu;L.L. Bai;Y.F. Chen;C.H. Lai;L.Q.
摘要：本试验旨在研究妊娠后期日粮中添加共轭亚油酸（CLA）对经产母猪繁殖性能、初乳产量、初乳脂肪酸组成和免疫球蛋白G（IgG）浓度的影响。选择24头经产的长白×大白色母猪，从妊娠第85天开始随机分为4组，分别在日粮中添加0%（对照）、0.75%、1.50%和2.25%的共轭亚油酸（CLA）至分娩。在哺乳期，所有母猪均饲喂相同的商业饲料。哺乳仔猪断奶前的死亡率出生的母鼠喂养补充共轭亚油酸线性下降（P = 0.01）在哺乳期。妊娠期服用CLA可使初乳中饱和脂肪酸总量呈线性增加（P < 0.01），单不饱和脂肪酸和多不饱和脂肪酸呈线性减少（P < 0.01）。饲喂CLA日粮的母猪初乳中CLA异构体含量显著高于对照组（P < 0.01）。添加CLA显著提高了仔猪初乳和新生仔猪血清中IgG的含量（P < 0.05）。综上所述，在初产母猪妊娠后期饲料中添加2.25%的CLA可以通过初乳IgG提高被动免疫力，提高哺乳仔猪的存活率。
Abstract: This experiment was conducted to evaluate the effects of dietary conjugated linoleic acid (CLA) supplementation during late gestation on reproductive performance, colostrum yield, colostral fatty acid composition, and immunoglobulin G (IgG) concentrations in primiparous sows. Twenty-four primiparous Landrace × Large White pregnant sows were randomly selected and assigned to four dietary treatments: 0% (control), 0.75%, 1.50%, and 2.25% CLA supplementation from day 85 of gestation to parturition. During lactation, all sows were fed the same commercial diet. The preweaning mortality of suckling piglets born to dams fed supplemental CLA did decrease linearly (P = 0.01) during lactation. Administration of CLA during gestation increased linearly (P < 0.01) total saturated fatty acids and decreased linearly (P < 0.01) monounsaturated fatty acids and polyunsaturated fatty acids in colostrum. The concentrations of CLA isomers were higher (P < 0.01) in colostrum from primiparous sows fed CLA diets than in the control group. Feeding CLA increased (P < 0.05) colostral IgG concentrations, as well as that in the serum of neonatal piglets. In conclusion, 2.25% CLA supplementation in the diet of primiparous sows during late gestation could improve the passive immunity through colostral IgG and the survival of suckling piglets.
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影响因子：
5.9
作者：
Hurley WL;Theil PK
通讯作者：
Theil PK
DOI：
--
发表时间：
2002
期刊：
--
影响因子：
--
作者：
S. B. Smith;T. S. Hively;G. Cortese;J. Han;K. Chung;P. Casteñada;C. D. Gilbert;V. L. Adams;H. Mersmann
通讯作者：
S. B. Smith;T. S. Hively;G. Cortese;J. Han;K. Chung;P. Casteñada;C. D. Gilbert;V. L. Adams;H. Mersmann
DOI：
10.5713/ajas.2005.249
发表时间：
2005-04
期刊：
Asian-australasian Journal of Animal Sciences
影响因子：
--
作者：
J. C. Park;Younghoon Kim;H. Jung;H. Moon;O. Kwon;B. D. Lee
通讯作者：
J. C. Park;Younghoon Kim;H. Jung;H. Moon;O. Kwon;B. D. Lee
DOI：
10.1016/s0301-6226(02)00182-3
发表时间：
2002-11-28
期刊：
LIVESTOCK PRODUCTION SCIENCE
影响因子：
--
作者：
Rooke, JA;Bland, IM
通讯作者：
Bland, IM
影响因子：
6.1
作者：
SUKHIJA, PS;PALMQUIST, DL
通讯作者：
PALMQUIST, DL