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Effects of cloned-cattle meat on reproductive physiology in rats

Published online by Cambridge University Press:  19 October 2009

S. Hwang ,
N.-J. Lee ,
J.-S. Hwang ,
B.-C. Yang ,
G.-S. Im ,
Y.-G. Ko ,
E.-W. Park ,
S.-B. Park ,
J.-K. Kang  and
H.-H. Seong
S. Hwang
Affiliation:
Animal Biotechnology Division, National Institute of Animal Science, RDA, 77 Chuksan-gil, Suwon, Gyeonggi 441-706, Korea
N.-J. Lee
Affiliation:
College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungbuk National University, 12 Gaeshin-dong, Cheongju, Chungbuk 361-763, Korea
J.-S. Hwang
Affiliation:
Biotoxtech Co. Ltd, 58-1, Ochang Science Industrial Complex, Cheongwon, Chungbuk 363-883, Korea
B.-C. Yang
Affiliation:
Animal Biotechnology Division, National Institute of Animal Science, RDA, 77 Chuksan-gil, Suwon, Gyeonggi 441-706, Korea
G.-S. Im
Affiliation:
Animal Biotechnology Division, National Institute of Animal Science, RDA, 77 Chuksan-gil, Suwon, Gyeonggi 441-706, Korea
Y.-G. Ko
Affiliation:
Animal Biotechnology Division, National Institute of Animal Science, RDA, 77 Chuksan-gil, Suwon, Gyeonggi 441-706, Korea
E.-W. Park
Affiliation:
Animal Biotechnology Division, National Institute of Animal Science, RDA, 77 Chuksan-gil, Suwon, Gyeonggi 441-706, Korea
S.-B. Park
Affiliation:
Animal Biotechnology Division, National Institute of Animal Science, RDA, 77 Chuksan-gil, Suwon, Gyeonggi 441-706, Korea
J.-K. Kang*
Affiliation:
College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungbuk National University, 12 Gaeshin-dong, Cheongju, Chungbuk 361-763, Korea Biotoxtech Co. Ltd, 58-1, Ochang Science Industrial Complex, Cheongwon, Chungbuk 363-883, Korea
H.-H. Seong*
Affiliation:
Animal Biotechnology Division, National Institute of Animal Science, RDA, 77 Chuksan-gil, Suwon, Gyeonggi 441-706, Korea
*
†E-mail: jkkang@chungbuk.ac.kr
seonghh@rda.go.kr
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Abstract

The influence of the cloned-cattle meat diets upon reproduction in mammals was rarely studied. This study was performed to analyze the effects of the diets containing cloned-cattle (Korean native beef, Hanwoo) meat on the reproductive physiology in rats. The male and female rats were fed with the diets containing 5% or 10% of normal- (N-5 or N-10) or cloned- (C-5 or C-10) cattle meat during test periods. The rats fed with commercial pellets were used as control. Lower food consumption in normal- and cloned-cattle meat diet groups is detected in both male and female rats compared with that of control (P < 0.05, 0.01 and 0.001). No signs of cloned-cattle meat diets on male reproductive parameters are found in all groups, except for lower sperm deformity in C-5 group (P < 0.05) and higher testosterone concentration in C-10 group (P < 0.05), respectively. There are no significant test substance-related differences of Caesarean section and delivery in dams and external examination and physiological development test in neonate compared with control and normal meat groups. Based on these results, it can be postulated that there are no obvious negative effects on the reproductive physiology in rats fed with cloned-cattle meat diets compared to their comparators.

Keywords

animal cloningcloned-cattle meat dietratsreproductive parametersrisk assessment
Type
Full Paper
Information
animal , Volume 4 , Issue 2 , February 2010 , pp. 218 - 223
Copyright
Copyright © The Animal Consortium 2009

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