[Comparative research on digestibility of lysine-rich genetically modified rice and its parental rice in Wuzhishan mini-pig].
OBJECTIVE
To study the digestibility of protein and amino acids in lysine-rich genetically modified (GM) rice and its parental rice.


METHODS
Eight Wuzhishan Mini-pig Inbred-line as the experimental animals, T-cannulas were equipped at their terminal ileums by surgical operation. Six of them, which were well-healed and with good appetite, were fed with lysine-rich genetically modified rice and its parental rice, and digesta of each pig was collected and analyzed respectively for comparing their apparent digestibility (AD) and true digestibility (TD). The endogenous amino acids losses were determined by casein diet method.


RESULTS
The AD and TD of protein are very similar in the two types of rice. There are no statistical differences in the AD of all amino acids except for Cysteine, and there are no statistical differences in the TD of all 18 amino acids.


CONCLUSIONS
The lysine-rich GM rice has no statistical difference with its parental rice in terms of protein and amino acid digestion and absorption in Wuzhishan mini-pigs.
Hu
Yichun
Y
Institute of Nutrition and Food safety, Chinese CDC, Beijing 100050, China. huyichun0319@163.com
Li
Min
M
Piao
Jianhua
J
Yang
Xiaoguang
X
D000596:Amino Acids / Q000378:metabolism; D000818:Animals; D004063:Digestion / Q000502:physiology*; D007082:Ileum / Q000378:metabolism* / Q000502:physiology; D007408:Intestinal Absorption; D008239:Lysine / Q000378:metabolism*; D012275:Oryza / Q000235:genetics; D030821:Plants, Genetically Modified; D011506:Proteins / Q000378:metabolism; D013552:Swine; D013556:Swine, Miniature
D000596:Amino Acids; D011506:Proteins; D008239:Lysine