Former food products have no detrimental effects on diet digestibility, growth performance and selected plasma variables in post-weaning piglets

Figures & data

Table 1. Analysed composition (g/100g on DM) of the pure FFP product.

Item	DM	Ash	EE	CF	NDF	CP	Starch	Sugar
Pure FFP	91.30	3.22	11.00	4.41	15.70	11.50	42.30	20.20

DM: dry matter; EE: ether extracts; CF: crude fibre; NDF: neutral detergent fibre; CP: crude protein; FFP: former foodstuffs products.

Table 2. Ingredient composition (g/100 g of diet) of the two experimental diets.

Ingredients	CTR	FFPs
Former foodstuffs	–	30
Barley	22.80	22.10
Dextrose	5	4.50
Flaked decorticated barley	4	0
Corn	6.50	4
Flaked corn	6.50	1
Vegetable fibres	1	1
Wheat	12.33	10.10
Flaked wheat	6	1
Wheat bran	3	2.48
Vegetable oil	1.50	0.50
Soy oil	1.50	0.50
Fish meal (65% protein)	2.50	2.60
Plasma powder	3.50	3.80
Whey powder	11	4.50
Soy e.f. 50^a	3.50	3.50
Soycomil R^b	5.50	4.55
L-lysine HCl	0.55	0.55
DL-methionine	0.23	0.23
L-threonine	0.25	0.25
L-tryptophan	0.08	0.08
Vitamin-mineral premix^c	2.76	2.76
Total	100	100

CTR: control diet; FFPs: former foodstuffs products diet

^a Soy extraction flour 50%.

^b High quality soy protein concentrate.

^c Provided per 100 g of complete diet: 0.25 g vitaminic premix, 0.4 g benzoic acid, 0.5 g.

Hydrated dicalcium phosphate, 0.4 g calcium carbonate, 0.15 sodium chloride, 0.8 g acidifying mixture, 0.06 g copper sulphate, 0.2 g sodium butyrate.

Table 3. Analysed composition (g/100 g or Mj/kg on DM) of the CTR and FFP diets.

Dietary treatments	CTR	FFPs
Dry matter	90.90	90.30
Ash	5.60	5.40
CP	20.90	20.60
EE	5.94	5.92
Crude fibre	4.23	2.79
NDF	13.07	9.56
Starch	36.20	42.60
Glucose	6.00	6.17
Fructose	0.13	0.41
Sucrose	1.07	3.11
Calculated energy content
Metabolisable energy	16.00	16.00

CTR: control diet; FFPs: former foodstuffs products diet; CP: crude protein; EE: ether extracts; NDF: neutral detergent fibre.

Table 4. Effects of partial replacement of conventional cereals by FFPs on growth and apparent total tract digestibility.

Item	CTR	FFPs	p Values
Initial BW (kg)	9.20 ± 0.54	8.76 ± 1.84	.680
Final BW (kg)	14.10 ± 0.82	13.60 ± 1.15	.610
Average daily gain (kg)	0.29 ± 0.04	0.31 ± 0.04	.520
Average daily feed intake (kg)	0.45 ± 0.04	0.43 ± 0.04	.810
FCR (kg/kg)	1.55^A ± 0.04	1.39^B ± .04	.002
Initial ATTD (%)	78.00 ± 0.45	81.20 ± 0.73	.060
Final ATTD (%)	78.60^a ± 0.45	83.30^b ± 0.97	.020

CTR: control diet; FFPs: former foodstuffs products diet; BW: body weight; FCR: feed conversion ratio; ATTD: apparent total tract digestibility

Value for each item is the mean ± SEM (standard error of the mean).

^A,B Values within a row with different superscripts differ significantly at p<.01.

^a,b Values within a row with different superscripts differ significantly at p<.05.

Table 5. Plasma biochemical variables in post-weaning piglets fed CTR and FFP diet on days 0 and 16.

Item	CTR		FFPs		p Value
	d 0	d 16	d 0	d 16
Total proteins (g/L)	49.80 ± 1.59	51.50 ± 1.59	49.70 ± 1.10	49.60 ± 1.67	.45
Albumin (g/L)	27.70 ± 0.87	26.90 ± 1.17	26.50 ± 1.14	24.80 ± 0.85	.22
Globulins (g/L)	22.10 ± 1.78	24.60 ± 2.04	23.20 ± 0.97	24.70 ± 0.93	.96
Urea (mmol/L)	2.03^a ± 0.34	1.58^a ± 0.15	1.51^a ± 0.32	1.03^b ± 0.08	.01
ALT:GPT (IU/L)	26.70 ± 3.79	27.30 ± 2.04	24.30 ± 3.30	30.70 ± 2.53	.34
AST:GOT (IU/L)	45.50 ± 5.68	45.00 ± 4.92	70.80 ± 19.20	51.70 ± 7.75	.50
ALP (mmol/L)	2.21 ± 0.07	1.78 ± 0.11	1.90 ± 0.16	1.81 ± 0.08	.80
Glucose (mmol/L)	4.82^a ±0.11	5.08^a±0.26	5.65^a±0.45	6.18^b±0.36	.04
Cholesterol (mmol/L)	2.05 ± 0.11	2.33 ± 0.07	1.71 ± 0.16	1.97 ± 0.16	.10
Calcium (mmol/L)	2.54 ± 0.04	2.56 ± 0.03	2.58 ± 0.04	2.64 ± 0.04	.26
Phosphorus (mmol/L)	3.00 ± 0.04	3.16 ± 0.07	2.46 ± 0.12	2.88 ± 0.08	.13
Magnesium (mmol/L)	0.96 ± 0.04	0.91 ± 0.04	0.79 ± 0.04	0.80 ± 0.04	.69

CTR: control diet; FFPs: former foodstuffs products diet

ALT: alanine aminotransferase; GPT: glutammate piruvate transaminase

AST: Aspartate amino transferase; GOT: glutammate-ossalacetate transaminase

ALP: Alkaline phosphatase

Value for each item is the mean ± SEM (standard error of the mean).

Values within a row with different superscripts differ significantly at p<.05.