Effects of High Efficient Conditioner and Low Temperature Pelletize Process on Feed Processing Quality and Retention of Vitamin E

DUAN Haitao, LI Junguo, GE Chunyu, LI Jun, DONG Yingchao, QIN Yuchang, Sun Jie

doi:10.3969/j.issn.1006-267x.2017.11.032

2017 , Vol. 29 >Issue 11: 4101 - 4107

DOI: https://doi.org/10.3969/j.issn.1006-267x.2017.11.032

Molecular Nutrition

Effects of High Efficient Conditioner and Low Temperature Pelletize Process on Feed Processing Quality and Retention of Vitamin E

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1. Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
2. Institute of Food and Nutrition Development, Ministry of Agriculture, Beijing 100081, China;
3. The key Laboratory of Feed Biotechnology of Ministry of Agriculture, Beijing 100081, China;
4. Institute of Animal Science, Chinese Academy of Agriculture Sciences, Beijing 100081, China;
5. Shanghai New Agricultural Feed Limited by Share Ltd., Shanghai 201613, China

Received date: 2017-05-10

Online published: 2017-10-31

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Abstract

This experiment was to study the effects of high efficient conditioner and low temperature pelletize process on feed processing quality and retention of vitamin E under the same feed formula. Feed in the control group (group A) used a ordinary livestock feed processing technology, and feed in the experimental groups used three kinds of conditioning:double conditioning (B group), conditioning retainer (C group) and expander (D group), and the macro materials of feed formula were treated in hot and humid processing, the treated macro materials were mixed with additive and other feed ingredients and using low temperature (50, 55, 60, and 65℃) conditioning then granulating. The results show that the starch gelatinization degree of macro materials treated after double tempering was significantly lower than that treated after conditioning retainer and expander (P<0.05); the starch gelatinization degree of group D was significantly higher than that of group B and group C (P<0.05), the grain hardness of group C was significantly higher than that of group B and group C (P<0.05), the particles durability index of group C was significantly higher than that of group B and group D (P<0.05), the pellet formation rate of group B was significantly lower than that of other three groups (P<0.05), the retention of vitamin E of group B, group C and group D was significantly higher than that of group A (P<0.05). The starch gelatinization degree of 65℃ group was significantly higher than that of 50, 55 and 60℃ groups (P<0.05), the grain hardness of 65℃ group was significantly higher than that of 50, 55 and 60℃ groups (P<0.05), the particles durability index of 65℃ group was significantly higher than that of 50, 55 and 60℃ groups (P<0.05), the pellet formation rate of pellet formation rate of was significantly higher than that of 50 and 55℃ groups (P<0.05), the retention of vitamin E of 65℃ group was significantly higher than that of 50, 55 and 60℃ groups (P<0.05). In conclusion, macro materials cured with conditioning retainer and pelleted at 65℃ low temperature feed processing can protect vitamin E heat-sensitive ingredients, and the feed quality has no significant difference with feed in the ordinary feed processing technology.

Key words： macro materials; conditioner; processing quality; processing technology

Cite this article

DUAN Haitao, LI Junguo, GE Chunyu, LI Jun, DONG Yingchao, QIN Yuchang, Sun Jie . Effects of High Efficient Conditioner and Low Temperature Pelletize Process on Feed Processing Quality and Retention of Vitamin E[J]. Chinese Journal of Animal Nutrition, 2017 , 29(11) : 4101 -4107 . DOI: 10.3969/j.issn.1006-267x.2017.11.032

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