Table 2.
The ingredients and nutritional levels of diets (as-fed basis).
| Item | HAMR | LAMR |
|---|---|---|
| Ingredients, % | ||
| Corn1 (7.8% CP) | 42.13 | 42.13 |
| High amylose corn starch2 | 30.00 | – |
| High amylopectin corn starch3 | – | 30.00 |
| Soybean meal (44.2% crude protein) | 26.00 | 26.00 |
| Limestone | 0.55 | 0.55 |
| Dicalcium phosphate | 0.75 | 0.75 |
| NaCl | 0.25 | 0.25 |
| l-Lys·HCl | 0.01 | 0.01 |
| dl-Met | 0.01 | 0.01 |
| Chloride choline | 0.05 | 0.05 |
| Vitamin and mineral premix4 | 0.25 | 0.25 |
| Total | 100.00 | 100.00 |
| Nutrient levels, % | ||
| Digestible energy, Mcal/kg | 3.52 | 3.52 |
| Crude protein | 14.88 | 14.88 |
| Ca | 0.53 | 0.53 |
| Total P | 0.45 | 0.45 |
| Available P | 0.27 | 0.27 |
| Total Lys | 0.72 | 0.72 |
| Total Met + Cys | 0.40 | 0.40 |
| Total Thr | 0.49 | 0.49 |
| Amylose | 29.41 | 10.04 |
| Amylopectin | 23.73 | 43.21 |
| AMR of diet | 1.24 | 0.23 |
AMR = amylose-to-amylopectin ratio; HAMR = high AMR; LAMR = low AMR.
Corn contained 21.01% amylose and 44.51% amylopectin.
High amylose corn starch contained 68.50% amylose and 16.60% amylopectin.
High amylopectin corn starch contained 3.95% amylose and 81.53% amylopectin.
Provided the following per kilogram of complete diet: 100 mg of Fe (as ferrous sulfate); 15 mg of Cu (as copper sulfate); 120 mg of Zn (as zinc sulfate); 40 mg of Mn (as manganese sulfate); 0.3 mg of Se (as Na2SeO3); 0.25 mg of I (as KI); 13,500 IU of vitamin A; 2,250 IU of vitamin D3; 24 IU of vitamin E; 6.2 mg of riboflavin; 25 mg of nicotinic acid; 15 mg of pantothenic acid; 1.2 mg of vitamin B12; and 0.15 mg of biotin.