Table 4.

Effect of supplemental pine needles powder on BWG, FI, and FCR.

	Dietary treatments						Significance (P-value)
Item	Control	P1 0.25%	P2 0.50%	P3 0.75%	P4 1%	SEM1	Combine	Linear	Quadratic	Cubic
Day 0 to 10
BWG (g)	200.98	207.39	195.68	201.74	199.87	2.184	0.591	0.622	0.948	0.524
FI (g)	240.22	239.17	237.27	241.20	242.56	2.130	0.958	0.679	0.578	0.915
FCR	1.20	1.16	1.21	1.20	1.21	0.009	0.241	0.234	0.588	0.321
Day 11 to 24
BWG (g)	987.15	980.05	969.56	1001.80	983.21	7.240	0.744	0.796	0.756	0.380
FI (g)	1355.54	1348.34	1350.65	1344.19	1334.75	7.698	0.945	0.436	0.848	0.830
FCR	1.37	1.38	1.39	1.34	1.36	0.009	0.415	0.283	0.540	0.415
Day 25 to 42
BWG (g)	2210.96	2206.69	2237.59	2193.44	2198.35	10.279	0.720	0.613	0.530	0.855
FI (g)	3582.81	3563.60	3541.87	3609.19	3597.40	15.803	0.708	0.523	0.454	0.513
FCR	1.62a,b	1.62a,b	1.58b	1.65a	1.64a	0.007	0.020	0.133	0.077	0.292
Day 0 to 42
BWG (g)	3399.10	3394.13	3402.84	3396.99	3381.42	13.070	0.991	0.745	0.763	0.815
FI (g)	5178.58	5151.10	5129.78	5194.58	5174.72	20.392	0.888	0.816	0.578	0.555
FCR	1.52	1.52	1.51	1.53	1.53	0.004	0.329	0.365	0.158	0.558

BWG, body weight gain; FI, feed intake; FCR, feed conversion ratio.

¹Standard error of mean.

Different superscript letters (a, b) within the same row indicate significant differences between experimental groups (P < 0.05).