Gluconic acid improves performance of newly weaned piglets associated with alterations in gut microbiome and fermentation

Table 7 Ingredient and formulated nutrient composition (g/kg, unless otherwise stated) of basal diets

Item	Pre-starter	Starter
Item	(d 0–14)	(d 14–42)
Ingredient
Barley	280	300
Wheat	271	280
Corn	150	100
Soybean meal (480 g/kg CP)		145
Toasted full-fat soybeans	100	100
Dextrose	50.0
Soy protein concentrate (650 g/kg CP)	45.0
Potato protein	40.0
Soy oil	21.5	22.0
Limestone	11.0	12.6
Monocalciumphosphate	7.00	6.39
L-lysine HCl	5.70	5.40
Vitamin and mineral premix^a	5.00	5.00
Sodium chloride	4.60	4.60
Sodium gluconate	3.00	3.00
L-threonine	2.20	2.50
DL-methionine	2.00	1.84
L-valine	1.02	1.25
L-tryptophan	0.98	0.58
Diamol^b		10.0
Phytase	0.10	0.10
Nutrient content^c
Dry matter	884	879
Net energy (MJ/kg)	10.5	10.1
Crude protein	174	179
Ether extract	56.2	57.4
Lysine	13.2	12.8
SID Lysine	11.8	11.4
SID M + C/SID Lysine	0.60	0.60
SID Threonine/SID Lysine	0.65	0.65
SID Tryptophan/SID Lysine	0.22	0.21
SID Valine/SID Lysine	0.70	0.70
Calcium	6.70	7.40
Digestible phosphorus	3.30	3.30
Phytase activity (FTU/kg)	1000	1000

^aPremix providing per kg of diet: vitamin A (retinyl acetate), 10,000 IU; vitamin D3 (cholecalciferol), 2000 IU; vitamin E (dl-α-tocopherol acetate), 40 mg; vitamin K3 (menadione), 1.5 mg; vitamin B1 (thiamine), 1.0 mg; vitamin B2 (riboflavin), 4.0 mg; niacin, 30 mg; D-pantothenic acid, 15 mg; vitamin B6 (pyridoxine–HCl), 1.5 mg; vitamin B12 (cyanocobalamin), 20 µg; folic acid, 0.4 mg; biotin, 0.05 mg; choline chloride, 150 mg; Fe (FeSO₄.H₂O), 100 mg; Cu (CuSO₄.5H₂O), 20 mg; Mn (MnO), 30 mg; Zn (ZnSO₄.H₂O), 70 mg; I (KI), 0.7 mg; Se (Na₂SeO₃), 0.25 mg
^bDiamol; source of 4 mol/L HCl insoluble ash
^cCalculated nutrient content using matrix values provided by EvaPig® (INRA, UMR1348 PEGASE, Le Clos, 35,590 Saint-Gilles, France)

ISSN: 2055-5660