Effects of Silybum marianum Seed Oil on Laying Performance, Egg Quality and Egg Fatty Acid Composition in Laying Hens

LU Jian; QU Liang; LI Shoulong; SHEN Manman; DOU Taocun; HU Yuping; LI Shangmin; WANG Kehua

doi:10.3969/j.issn.1006-267x.2015.12.023

Chinese Journal of Animal Nutrition >

2015 , Vol. 27 >Issue 12: 3831 - 3839

DOI: https://doi.org/10.3969/j.issn.1006-267x.2015.12.023

FEED RESOURCES DEVELOPMENT

Effects of Silybum marianum Seed Oil on Laying Performance, Egg Quality and Egg Fatty Acid Composition in Laying Hens

LU Jian ,
QU Liang ,
LI Shoulong ,
SHEN Manman ,
DOU Taocun ,
HU Yuping ,
LI Shangmin ,
WANG Kehua

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1. Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou 225125, China;
2. Xianglong Poultry Development Co., Ltd. of Yangzhou, Jiangdu 225261, China;
3. College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China

Received date: 2015-06-11

Online published: 2015-12-14

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Abstract

This experiment was conducted to study the effects of Silybum marianum seed oil on laying performance, egg quality and egg fatty acid composition in laying hens. Two hundred and seventy 30-week-old Rugao yellow laying hens with a similar laying rate were assigned to 3 groups with 6 replicates per group and 15 hens per replicate. The diet of control group Ⅰ(conventional diet group) was based on corn and soybean. The diet of control group Ⅱ(3% soybean oil group) contained 3% soybean oil. The diets of experimental group(Silybum marianum seed oil group) contained 3% Silybum marianum seed oil. The pre-test period lasted for 2 weeks and the trail period lasted for 8 weeks. The results showed as follow:1) there were no significant differences in laying rate, daily egg mass, daily feed intake, average egg weight, feed/egg, broken egg rate and mortality among the 3 groups(P>0.05). 2) The yolk color level in the groups which contained 3% soybean oil and Silybum marianum seed oil was less deeper compared with that in the conventional diet group(P<0.05). There was no significant difference in laying performance among the 3 groups(P>0.05) 3) The contents of total saturated fatty acids and polyunsaturated fatty acids in the Silybum marianum seed oil group were much more and less than those in the 3% soybean oil group(P<0.05), respectively,while there were no significant difference between the Silybum marianum seed oil group and the conventional diet group(P>0.05). The contents of α-linolenic oil and docosahexaenoic acid(DHA) in the Silybum marianum seed oil group were much more than those in the conventional diet group and the 3% soybean oil group(P<0.05). It is indicated that the Silybum marianum seed oil has no harmful effects on laying performance and egg quality except the yolk color, and significantly increase the content of α-linolenic oil and DHA in egg compared with conventional diet and soybean oil diet. Also, compared with soybean oil diet, Silybum marianum seed oil diet can significantly increase content of total saturated fatty acids and decrease content of total polyunsaturated fatty acids, but no difference with conventional diet.

Key words： Silybum marianum seed oil; Rugao yellow laying hens; laying performance; egg quality; egg fatty acid composition

Cite this article

LU Jian , QU Liang , LI Shoulong , SHEN Manman , DOU Taocun , HU Yuping , LI Shangmin , WANG Kehua . Effects of Silybum marianum Seed Oil on Laying Performance, Egg Quality and Egg Fatty Acid Composition in Laying Hens[J]. Chinese Journal of Animal Nutrition, 2015 , 27(12) : 3831 -3839 . DOI: 10.3969/j.issn.1006-267x.2015.12.023

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