Distribution of glycinin in the gastrointestinal tissue of pigs at different growth stages

Figures & data

Table 1. Ingredient composition and nutrient levels of the diets.

Body weight of pigs (kg)	3–5	5–10	Experimental periods (5–10)	10–20	20–60	Experimental periods (20–60)	60–120	Experimental periods (60–120)
Ingredients (%)
Maize	13.00	22.00	21.00	70.65	74.85	73.00	77.50	75.00
Fish meal	13.00	11.20	8.10	13.00	8.80	6.00	6.50	3.75
Corn gluten meal	–	–	–	9.00	9.00	9.50	6.50	3.80
Wheat bran	–	–	–	–	5.00	4.87	7.20	7.80
Whey powder	13.55	18.00	18.00	2.00	–	–	–	–
Milk powder	58.00	48.00	48.00	4.40	–	–	–	–
Glycinin	–	–	4.00	–	–	4.00	–	4.00
Corn oil	–	–	–	–	1.00	1.00	1.00	1.10
Salt	0.20	0.20	0.20	0.20	0.20	0.20	0.20	0.20
Vitamin premix^1	0.10	0.10	0.10	0.10	0.10	0.10	0.10	0.10
Vitamin premix^2	0.20	0.20	0.20	0.15	0.15	0.15	0.15	0.15
Limestone	0.10	0.30	0.40	0.40	0.70	0.85	0.70	0.85
CaHPO4	1.17	–	–	–	–	0.10	–	1.10
l-Lysine	0.68	–	–	0.10	0.20	0.23	0.15	0.15
Nutrient contents^3(%)
Crude protein	26.37	23.92	23.67	20.82	17.99	17.96	15.73	15.66
Digestive energy (MJ/kg)	17.23	16.91	16.81	14.38	14.09	14.00	14.01	13.90
Calcium	0.92	0.86	0.78	0.70	0.62	0.59	0.53	0.51
Phosphorus	0.75	0.83	0.76	0.66	0.55	0.50	0.50	0.45
Lysine	1.53	2.00	1.94	1.17	0.96	0.95	0.79	0.76

¹ Vitamin premix provided per kilogram of complete diet: vitamin A, 45,000 IU; vitamin D3, 10,000 IU; vitamin E, 60 mg; vitamin K3, 5 mg; vitamin B1, 2 mg; vitamin B2, 15 mg; vitamin B6, 6 mg; vitamin B12, 0.05 mg; folic acid, 0.5 mg; biotin, 0.1 mg; niacin, 40 mg; pantothenic acid, 25 mg.

² Mineral premix per kilogram of complete diet: Cu, 25 mg; Fe, 50 mg; Zn, 160 mg; Mn, 40 mg; Se, 0.3 mg; I, 0.3 mg.

³ Calculated value.

Figure 1. Location of glycinin (Arrows) in distal jejunum of piglets (A), growers (B) and finishers (C) 80×.

Figure 2. Distribution of glycinin in the different parts of gastrointestinal mucosa of piglets, growers and finishers.

Figure 3. Distribution of glycinin in the small intestinal villi of piglets, growers and finishers.

Figure 4. Distribution of glycinin in the small intestinal crypt of piglets, growers and finishers.