From: SNP-based breeding for broiler resistance to ascites and evaluation of correlated production traits
Item | n | Live | Hot carcass | Fat pad | Chilled carcass | |||
---|---|---|---|---|---|---|---|---|
Weight, kg | Weight, kg | Yield1, % | Weight, kg | Yield, % | Weight, kg | Yield, % | ||
Main effect of trial | ||||||||
 Floor1 | 453 | 2814a | 1996a | 70.94 | 67.20a | 2.402a | 2058a | 73.13 |
 Floor2 | 415 | 2730b | 1941b | 71.11 | 59.53b | 2.194b | 2002b | 73.35 |
 SEM |  | 19 | 14 | 0.07 | 0.88 | 0.030 | 14 | 0.07 |
Main effect of genetic line | ||||||||
 MAS | 439 | 2795a | 1988a | 71.12 | 64.03 | 2.307 | 2050a | 73.33 |
 REL | 429 | 2752b | 1951b | 70.91 | 63.00 | 2.297 | 2013b | 73.14 |
 SEM |  | 19 | 14 | 0.07 | 0.91 | 0.031 | 14 | 0.07 |
Main effect of sex | ||||||||
 Male | 395 | 3117a | 2223a | 71.33a | 65.56a | 2.104a | 2281a | 73.22 |
 Female | 473 | 2488b | 1759b | 70.75b | 61.81b | 2.469b | 1823b | 73.25 |
 SEM |  | 13 | 10 | 0.07 | 0.91 | 0.029 | 10 | 0.08 |
Trial × Line | ||||||||
 Floor1 × MAS | 233 | 2826 | 2010 | 71.09 | 67.00 | 2.385 | 2072 | 73.29 |
 Floor1 × REL | 220 | 2803 | 1983 | 70.77 | 67.42 | 2.420 | 2045 | 72.97 |
 Floor2 × MAS | 206 | 2761 | 1964 | 71.15 | 60.67 | 2.218 | 2025 | 73.38 |
 Floor2 × REL | 209 | 2699 | 1918 | 71.06 | 58.41 | 2.170 | 1979 | 73.33 |
 SEM |  | 27 | 20 | 0.10 | 1.36 | 0.045 | 20 | 0.11 |
Trial × Sex | ||||||||
 Floor1 × Male | 204 | 3174a | 2264a | 71.29 | 70.71a | 2.236 | 2322a | 73.13 |
 Floor1 × Female | 249 | 2513c | 1773c | 70.65 | 64.31b | 2.540 | 1838c | 73.14 |
 Floor2 × Male | 191 | 3055b | 2180b | 71.38 | 60.07c | 1.962 | 2238b | 73.32 |
 Floor2 × Female | 224 | 2460c | 1743c | 70.87 | 59.08bc | 2.391 | 1806c | 73.38 |
 SEM |  | 19 | 15 | 0.10 | 1.29 | 0.042 | 15 | 0.11 |
Line × Sex | ||||||||
 MAS × Male | 209 | 3147a | 2248a | 71.42 | 66.98 | 2.128 | 2306a | 73.30 |
 MAS × Female | 230 | 2476c | 1753c | 70.84 | 61.33 | 2.469 | 1818c | 73.36 |
 REL × Male | 186 | 3085b | 2197b | 71.23 | 63.95 | 2.076 | 2255b | 73.13 |
 REL × Female | 243 | 2498c | 1764c | 70.67 | 62.27 | 2.468 | 1827c | 73.15 |
 SEM |  | 21 | 16 | 0.10 | 1.38 | 0.042 | 16 | 0.11 |
Trial × Line × Sex | ||||||||
 Floor1 x MAS x Male | 114 |  |  |  |  | 2.201cd |  |  |
 Floor1 x MAS x Female | 118 |  |  |  |  | 2.564a |  |  |
 Floor1 x REL x Male | 90 |  |  |  |  | 2.281bcd |  |  |
 Floor1 x REL x Female | 127 |  |  |  |  | 2.518ab |  |  |
 Floor2 x MAS x Male | 95 |  |  |  |  | 2.042de |  |  |
 Floor2 x MAS x Female | 111 |  |  |  |  | 2.369abc |  |  |
 Floor2 x REL x Male | 96 |  |  |  |  | 1.883e |  |  |
 Floor2 x REL x Female | 113 |  |  |  |  | 2.413abc |  |  |
 SEM |  |  |  |  |  | 0.062 |  |  |
P-values | ||||||||
 Trial |  | < 0.001 | < 0.001 | 0.078 | < 0.001 | < 0.001 | < 0.001 | 0.270 |
 Genetic line |  | 0.008 | 0.003 | 0.054 | 0.313 | 0.618 | 0.003 | 0.069 |
 Sex |  | < 0.001 | < 0.001 | < 0.001 | 0.002 | < 0.001 | < 0.001 | 0.640 |
 Trial × Line |  | 0.235 | 0.432 | 0.293 | 0.274 | 0.349 | 0.468 | 0.174 |
 Trial × Sex |  | 0.035 | 0.028 | 0.514 | 0.019 | 0.108 | 0.036 | 0.909 |
 Line × Sex |  | 0.011 | 0.012 | 0.942 | 0.200 | 0.628 | 0.019 | 0.915 |
 Trial × Line × Sex |  | 0.980 | 0.992 | 0.637 | 0.093 | 0.039 | 0.963 | 0.889 |