. 2019 Autumn;20(4):293–298.

Table 5.

Effect of diet supplemented with Enzymex and Yeamark on broilers’ feed conversion ratio (FCR) (mean±SE)

Period	Age (wk)	Dietary treatments
Period	Age (wk)	T1	T2	T3	T4	T5	T6	T7	T8
Starter (1-3 weeks)	1	1.37 ±0.015^a	1.34 ±0.005^ab	1.30 ±0.004^bc	1.29 ±0.011^cd	1.33 ±0.017^ab	1.25 ±0.022^de	1.22 ±0.011^e	1.21 ±0.011^e
	2	1.71 ±0.012^a	1.68 ±0.009^b	1.61 ±0.007^c	1.59 ±0.010^c	1.69 ±0.006^ab	1.49 ±0.004^d	1.40 ±0.008^e	1.39 ±0.004^e
	3	1.82 ±0.007^a	1.80 ±0.006^b	1.73 ±0.003^c	1.73 ±0.006^c	1.79 ±0.006^b	1.67 ±0.002^d	1.60 ±0.004^e	1.60 ±0.003^e
	AFCR^A	1.72 ±0.003^a	1.69 ±0.004^b	1.63 ±0.001^c	1.62 ±0.003^c	1.69 ±0.004^b	1.55 ±0.004^d	1.48 ±0.002^e	1.48 ±0.003^e
Finisher (4-6 weeks)	4	1.96 ±0.007^a	1.95 ±0.010^a	1.86 ±0.006^b	1.86 ±0.011^b	1.94 ±0.009^a	1.78 ±0.007^c	1.71 ±0.002^d	1.71 ±0.003^d
	5	2.24 ±0.002^a	2.18 ±0.009^b	2.07 ±0.007^c	2.06 ±0.007^c	2.18 ±0.004^b	1.97 ±0.005^d	1.88 ±0.004^e	1.88 ±0.002^e
	6	2.57 ±0.002^a	2.52 ±0.006^b	2.38 ±0.004^c	2.38 ±0.004^c	2.53 ±0.007^b	2.26 ±0.008^d	2.13 ±0.003^e	2.12 ±0.004^e
	AFCR^A	2.26 ±0.002^a	2.22 ±0.003^b	2.11 ±0.006^c	2.11 ±0.005^c	2.23 ±0.004^b	2.01 ±0.003^d	1.91 ±0.001^e	1.91 ±0.001^e
Overall	AFCR^B	2.10 ±0.002^a	2.06 ±0.004^b	1.96 ±0.003^c	1.96 ±0.003^c	2.06 ±0.004^b	1.87 ±0.003^d	1.78 ±0.001^e	1.77 ±0.001^e

^a-e Means within rows with no common superscript differ significantly (P<0.05). ^A Average feed conversion ratio for the previous 3-week study period, and ^B Average feed conversion ratio for the 6-week study period. AFCR: Average feed conversion ratio, wk: Week, T1: Control group, and T2-T8: Treatment groups