Effects of Riboflavin Supplementation on Growth, Immune Organ and Antioxidant Function of Laying Ducks at Low Ambient Temperatures

REN Yanming, LU Yan, WANG An

doi:10.3969/j.issn.1006-267x.2011.11.010

2011 , Vol. 23 >Issue 11: 1912 - 1918

DOI: https://doi.org/10.3969/j.issn.1006-267x.2011.11.010

Swine and Poultry Nutrition

Effects of Riboflavin Supplementation on Growth, Immune Organ and Antioxidant Function of Laying Ducks at Low Ambient Temperatures

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1. Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China;
2. Heilongjiang Veterinary Medicine Feed Supervisory, Harbin 150009, China

Received date: 2011-06-06

Online published: 2011-11-21

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Abstract

The experiment was conducted to study the effects of riboflavin supplementation on growth and development, immune organ and anti-oxidative ability of laying ducks at low ambient temperature. Two factors (temperature×riboflavin) interactive experimental design was used in the experiment. The ambient temperatures were (2±1) ℃ and (18±1) ℃, and supplemental levels of riboflavin in a basal diet were 4, 16 and 32 mg/kg, respectively. A total of 144 laying ducks (Jinding duck, female, 12 weeks old) were randomly allotted to 6 treatments with 6 replicates per treatment and each replicate comprised 4 ducks. The experiment lasted for 42 days. The results showed that ovary weight index and oviduct length index were significantly affected by the interaction between ambient temperature and riboflavin (P<0.05), however, the interaction between ambient temperature and riboflavin has no effect on the oviduct weight index (P>0.05). Immune organ indices were significantly affected by the interaction between ambient temperature and riboflavin (P<0.05). There were no significant differences in serum total antioxidant capacity, the activities of glutathione reductase and malondialdehyde concentration (P>0.05). However, catalase and total superoxide dismutase activity were significantly affected by the interaction between ambient temperature and riboflavin (P<0.05). In conclusion, low ambient temperature is not conducive to growth and development of laying ducks, and appropriately increasing dietary riboflavin level in diets can release cold stress response to a certain extent.

Key words： cold stress; riboflavin; immune; anti-oxidation; laying ducks

Cite this article

REN Yanming, LU Yan, WANG An . Effects of Riboflavin Supplementation on Growth, Immune Organ and Antioxidant Function of Laying Ducks at Low Ambient Temperatures[J]. Chinese Journal of Animal Nutrition, 2011 , 23(11) : 1912 -1918 . DOI: 10.3969/j.issn.1006-267x.2011.11.010

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