. 2020 Apr 13;11:36. doi: 10.1186/s40104-020-00437-2

Table 3.

The effects of adding sodium dichloroacetate (DCA) to low-protein diets on the nitrogen balance and apparent digestibility of other nutrients in 40-kg pigs

Items	Treatments			SEM	P
Items	Control	LP	LP-DCA	SEM	P
Nitrogen utilization
Average daily feed intake	1.60	1.66	1.66	0.07	0.543
Intake of nitrogen, g/d	46.0^a	35.8^b	35.9^b	0.54	<.001
Urinary nitrogen, g/d	13.6^a	10.4^b	7.52^c	0.17	<.001
Fecal nitrogen, g/d	9.03^a	5.87^b	5.54^b	0.11	<.001
Total nitrogen excretion, g/d	22.6^a	16.3^b	13.1^c	0.26	<.001
Retention of nitrogen, g/d	23.4^a	19.5^b	22.8^a	0.35	<.001
Urinary nitrogen/intake of nitrogen, %	29.6^a	29.1^a	20.9^b	0.28	<.001
Fecal nitrogen/intake of nitrogen, %	19.6^a	16.4^b	15.4^b	0.20	<.001
Total nitrogen excretion/intake of nitrogen, %	49.2^a	45.4^b	36.4^c	0.36	<.001
Urinary nitrogen/total nitrogen excretion, %	60.2^ab	63.9^a	57.6^b	0.38	<.001
Fecal nitrogen/total nitrogen excretion, %	39.9^b	36.1^c	42.4^a	0.38	<.001
Retention of nitrogen/intake of nitrogen, %	50.8^c	54.6^b	63.6^a	0.36	<.001
Other nutrient utilization, %
DM digestibility	75.3^b	77.1^ab	79.5^a	0.48	<.001
Organic matter digestibility	74.9^b	77.9^ab	79.4^a	0.40	<.001
Digestive energy digestibility	70.8^b	73.4^ab	75.8^a	0.57	<.001
Metabolic energy/digestive energy ratio	84.1^b	87.2^ab	90.2^a	0.44	<.001

Data are presented as means (n = 6)

Abbreviations: Control, 18.0% CP, CP Crude protein, DM Dry matter, LP 13.5% CP, LP-DCA 13.5% CP + 100 mg DCA/kg DM, SEM Standard error of mean

^a,b,c Values within a row with different superscripts differ significantly (P < 0.05)