TABLE 1.
Names, manufactures and major ingredients of diets tested
| Diet components |
|||||||
|---|---|---|---|---|---|---|---|
| Diet name(s) | Manufacturer and website | Type | Protein | Carbohydrate | Fat | Fiber | Energy content |
| g/kg (% of total energy) | kJ/g1 | ||||||
| Teklad 8604 a.k.a. Wayne Lab Blox |
Harlan, Madison, WI www.harlan.com/teklad |
Cereal-based diet2 | 245 (30%) | 466 (58%) | 44 (12%) | 37 | 13.0 |
| Zeigler NIH-07 Open Formula |
Zeigler Bros., Gardners, PA www.zeiglerfeed.com |
Cereal-based diet | 225 (27%) | 500 (60%) | 50 (13%) | 45 | 13.4 |
| Purina 5001 | PMI Nutrition International, Purina Mills, Richmond, IN www.labdiet.com |
Cereal-based diet | 234 (28%) | 499 (60%) | 45 (12%) | 53 | 12.6 |
| Purina 5015 | PMI Nutrition International, Purina Mills, Richmond, IN www.labdiet.com |
Cereal-based diet with high fat content, designed for breeding |
175 (18%) | 540 (56%) | 110 (26%) | 25 | 15.5 |
| AIN-76A | Dyets, Bethlehem, PA www.dyets.com |
Purified diet3 | 200 (21%) | 650 (68%) | 50 (12%) | 50 | 15.9 |
| AIN-93G | Dyets, Bethlehem, PA www.dyets.com |
Purified diet designed for growing rodents |
200 (20%) | 629 (64%) | 70 (16%) | 50 | 15.9 |
kJ/g = metabolizable energy per gram of diet.
The four cereal-based diets were supplied by North Penn Feeds (Lansdale, PA). Ingredients for the cereal-based diets are taken from materials provided by the manufacturers, which generally list minimum amounts of protein and fat, and maximum amount of fiber. Nitrogen-free extract is considered an approximation of carbohydrate content. The diets also differ in micronutrient and vitamin content, texture, and color. More detailed ingredient compositions can be found on the manufacturers' web sites.
The formulas for the purified diets were suggested by the American Institute of Nutrition (AIN), now named the American Society for Nutritional Sciences. The Dyets catalog numbers were 100000 for AIN-76A and 110700 for AIN-93G.