Table 1.

Composition of experimental diets (g/100 g in diet)

Low caseinHigh caseinLow casein + RSLow meatHigh meatHigh meat + RS
Caseina17.635.335.3
Red meata20.4340.940.9
Corn starch10101010
High amylose maize starch1010
Sucrose45.4827.7827.7846.3929.6929.68
Sunflower seed oil12.512.512.512.512.512.5
Lardb7.57.57.53.76
α-Cellulose222222
l-Cysteine0.30.30.30.30.30.3
Choline0.120.120.120.120.120.12
Mineralsc3.53.53.53.53.53.5
Vitaminsc1.01.01.01.01.01.0
  • aEnough casein and red meat were added to reach a total protein content of 15% for the low protein diets and 30% for the high protein diets.

  • bLard was added to the casein and low red meat diets to balance each diet for saturated fat and to give a total fat content of 20%.

  • cAIN-76 vitamin and mineral mixtures with modified calcium at 0.5 mg/g, phosphorus at 3.6 mg/g, folic acid at 0.23 μg/g, and vitamin D3 at 0.11 IU/g.