Hereditas

Table 2 Live performance data from the replicate floor trials

From: SNP-based breeding for broiler resistance to ascites and evaluation of correlated production traits

Item	n								d49–54
Item	n	d0, g/bird	d14, g/bird	d28, g/bird	d42, g/bird	d49, g/bird	d54, g/bird	BWG, g/bird	FI, g/bird	FCR, g:g
Main effect of trial
Floor1	40	38.00^a	255.0^a	934.8	1987^a	2522^a	2888^a	365.5	0.932	2.566
Floor2	40	36.65^b	236.7^b	947.7	1949^b	2458^b	2822^b	368.3	0.937	2.560
SEM		0.15	2.1	6.3	13	16	20	4.6	0.007	0.021
Main effect of genetic line
MAS	40	37.30	246.4	940.3	1976	2507	2875	372.9^a	0.935	2.512^b
REL	40	37.35	245.3	942.2	1960	2474	2835	361.0^b	0.933	2.613^a
SEM		0.19	2.8	6.4	13	17	20	4.3	0.007	0.021
Trial × Line
Floor1 × MAS	20	38.06	252.4^a	927.9	1993	2541	2909	368.4	0.928	2.523
Floor1 × REL	20	37.94	257.6^a	941.8	1981	2504	2867	362.5	0.935	2.609
Floor2 × MAS	20	36.54	240.4^b	952.6	1960	2473	2842	377.7	0.943	2.500
Floor2 × REL	20	36.76	233.0^b	942.7	1939	2444	2803	359.5	0.931	2.618
SEM		0.22	3.2	9.7	21	26	31	7.1	0.010	0.031
P-values
Trial		< 0.001	< 0.001	0.142	0.038	0.006	0.017	0.585	0.583	0.773
Genetic line		0.800	0.674	0.819	0.358	0.155	0.137	0.036	0.812	< 0.001
Trial × Line		0.393	0.019	0.174	0.801	0.872	0.946	0.279	0.303	0.536

Abbreviations: Floor1 Floor cohort 1, Floor2 Floor cohort 2, MAS marker-assisted selection line, REL Relaxed (control) line, d day, BWG body weight gain, FI feed intake, FCR feed conversion ratio
Item values with different superscript letters in a column indicates significant difference (p < 0.05) in that trait or effect

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ISSN: 1601-5223

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