Systematic analysis of feeding behaviors and their effects on feed efficiency in Pekin ducks

Table 4 Phenotypic correlation between feeding behavior and other traits in different RFI groups

	Total Feed Time			Daily Feed Intake			Daily Feeding Rate			Between-Meal Pause			Meal Feed Intake			Meal Duration
RFI Group	H	M	L	H	M	L	H	M	L	H	M	L	H	M	L	H	M	L
BW 19	0	−0.11	0.31	0.19	0.52**	0.33	−0.03	0.24	−0.12	0.14	0.18	0.43*	0.14	0.41*	0.48**	−0.01	0.13	0.01
BW 42	0.21	−0.01	0.32	0.48**	0.79**	0.79**	−0.11	0.32	0.1	0.12	−0.06	0.04	0.25	0.33	0.46**	0.18	0.06	0.08
BWG	0.22	0.05	0.23	0.41*	0.65**	0.73**	−0.10	0.24	0.16	0.03	−0.18	−0.12	0.20	0.15	0.32	0.25	−0.01	0.08
FI	0.41*	−0.02	0.55**	0.77**	0.8**	0.54**	0.16	0.31	0.03	−0.36*	−0.03	0.02	0.18	0.36*	0.26	0.5**	0.08	0.12
RFI	0.36*	0.13	0.38*	0.67**	0.08	−0.03	0.39*	−0.1	−0.04	−0.4*	0.1	−0.05	0.1	0.11	−0.11	0.45**	0.16	0.08
FCR	0.32	−0.09	0.39*	0.35*	0.09	−0.1	0.30	0.04	−0.13	0.10	0.29	0.15	0.08	0.3	0	0.41*	0.15	0.05

BW 19: average body eight at d 19; BW 42: average body eight at d 42; “**“P < 0.01;”*” P < 0.05. H, M, L mean High RFI group, Middle RFI group and Low RFI group, respectively

ISSN: 2049-1891