Assessment of growth performance and meat quality of finishing pigs raised on the low plane of nutrition

Table 2 Effects of the plane of nutrition on growth performance of finishing pigs

Variable	Medium plane^a		Low plane^b		SEM	P-value
Variable	Barrow	Gilt	Barrow	Gilt	SEM	Nutr.	Sex	N×S
Phase 1 (P1)
Initial wt, kg	57.4	54.0	54.7	52.1	1.4	0.18	0.10	0.80
Final wt, kg	86.4	85.0	84.1	79.2	0.9	0.01	0.03	0.13
Days on feed	35	35	35	35
ADG, kg	0.83	0.88	0.83	0.78	0.02	0.08	0.74	0.07
ADFI, kg	2.46	2.45	2.54	2.54	0.01	<0.01	0.70	0.95
Gain:feed	0.338	0.357	0.328	0.306	0.009	0.03	0.83	0.08
Phase 2 (P2)
Final wt, kg	112.4	117.9	116.9	114.3	1.6	0.79	0.42	0.07
Days on feed	36	43	44	51
ADG, kg	0.73	0.75	0.74	0.69	0.03	0.49	0.65	0.30
ADFI, kg	2.57	2.51	3.04	2.80	0.05	<0.01	0.04	0.17
Gain:feed	0.284	0.300	0.245	0.247	0.008	<0.01	0.33	0.47
Overall
ADG, kg	0.77	0.81	0.78	0.72	0.02	0.06	0.49	0.03
ADFI, kg	2.52	2.48	2.82	2.69	0.03	<0.01	0.05	0.18
Gain:feed	0.308	0.327	0.278	0.268	0.005	<0.01	0.43	0.05

^aFed the medium-plane P1 and P2 finisher diets (Table 1) during P1 and P2, respectively
^bFed the low-plane P2 finisher diet (Table 1) during both P1 and P2
^a,bData are means of two pens, with 17 pigs per pen

ISSN: 2055-0391