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. 2020 Nov 4;4(4):txaa201. doi: 10.1093/tas/txaa201

Table 1.

Ingredient composition (as-is basis) of experimental diets (experiment 1), phases I and IIa

Phase I Phase II
Ingredients, % PCb NCb NC + 250 FTUc NC + 500 FTU PC NC NC + 250 FTU NC + 500 FTU
Ground corn 60.24 60.66 60.66 60.66 61.79 62.19 62.19 62.19
Soybean meal, 48% CPd 33.80 33.80 33.80 33.80 33.00 33.00 33.00 33.00
Soybean oil 2.10 2.10 2.10 2.10 1.80 1.80 1.80 1.80
Limestone 1.14 1.52 1.52 1.52 1.10 1.44 1.44 1.44
Monocalcium phosphate 1.03 0.23 0.23 0.23 0.81 0.07 0.07 0.07
L-Lys HCl, 78% Lys 0.340 0.340 0.340 0.340 0.245 0.245 0.245 0.245
MHAe 0.225 0.225 0.225 0.225 0.170 0.170 0.170 0.170
L-Thr 0.125 0.125 0.125 0.125 0.085 0.085 0.085 0.085
Sodium chloride 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60
Vitamin mineral premixf 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30
Phytase premixg 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10

aPhase I diets were fed to pigs from d 0 to 14 of the experiment, and phase II diets were fed from d 14 to d 28 of the experiment.

bPC, positive control; NC, negative control.

cFTU, phytase units per kg of complete diet.

dCP, crude protein.

eMHA is dry calcium salt of d,l-2-hydroxy-4-(methylthio)butanoic acid (84% Met activity, MHA, Novus International, Inc., St. Charles, MO).

fThe vitamin-micromineral premix provided the following quantities of vitamins and micro minerals per kilogram of complete diet: Vitamin A as retinyl acetate, 11,136 IU; vitamin D3 as cholecalciferol, 2,208 IU; vitamin E as dl-alpha tocopheryl acetate, 66 IU; vitamin K as menadione dimethylprimidinol bisulphite, 1.42 mg; thiamine as thiamine mononitrate, 0.24 mg; riboflavin, 6.59 mg; pyridoxine as pyridoxine hydrochloride, 0.24 mg; vitamin B12, 0.03 mg; d-pantothenic acid as d-calcium pantothenate, 23.5 mg; niacin, 44.1 mg; folic acid, 1.59 mg; biotin, 0.44 mg; Cu, 20 mg as copper sulphate and copper chloride; Fe, 126 mg as ferrous sulphate; I, 1.26 mg as ethylenediamine dihydriodide; Mn, 60.2 mg as manganese sulphate; Se, 0.3 mg as sodium selenite and selenium yeast; and Zn, 125.1 mg as zinc sulphate.

gThe phytase premix was prepared by mixing ground wheat with phytase (CIBENZA PHYTAVERSE G10, Novus International, Inc., St. Charles, MO) to provide 250 or 500 FTU/kg in complete diets in phase I or phase II, respectively.