Research Article

Short-Term Evaluation in Growing Rats of Diet Containing Bacillus thuringiensis Cry1Ia12 Entomotoxin: Nutritional Responses and Some Safety Aspects

Table 2

Nutritional parameters of rats fed the Cry1Ia12 toxin diet compared to those of rats fed the egg white (EW) and nonprotein (NPC) diets.

D i e t
NPCEWCry1Ia12

Initial body w e i g h t 𝛿   (g)71.96  ±  3.95 b 70.89  ±  5.72 a 70.98  ±  5.83 a
Final body weight 𝛿   (g)56.7  ±  1.67 b 110.10  ±  7.66 a 101.31  ±  6.42 a
Daily diet intake 𝛿   (g)5.11  ±  1.00 b 11.8  ±  1.17 a 11.29  ±  0.84 a
Net Protein Utilization (NPU) {   %91.05  ±  3.20 a 90.76  ±  4.81 a
Protein Digestibility d   %91.27  ±  9.71 a 99.98  ±  9.94 a
Biological Value d   %90.67  ±  9.41 a 99.99  ±  9.77 a

Values are means  ±  standard deviation ( 𝑛 = 6 ). Values in a row with different letters differ significantly ( 𝑃 < . 0 5 ).
For key to diets see Section 2.
𝛿 Per rat.
{ Per group of 6 rats.