Table 3.
Effects of MMDA on overall laying performance of hens from d 1 to d 42 on trial (d 232 to d 273 of age).
Treatment groups | T1 | T2 | T3 | T4 | T4 | T6 | T7 | Oneway ANOVA | |
---|---|---|---|---|---|---|---|---|---|
Hens | no | 15 | 15 | 15 | 15 | 15 | 15 | 15 | P |
Replicates | no | 5 | 5 | 5 | 5 | 5 | 5 | 5 | |
MMDA | g/kg | 2 | 1 | 2 | 3 | ||||
AFB1 | mg/kg | 0.05 | 0.05 | 0.50 | 0.50 | 0.50 | |||
T2-toxin | mg/kg | 1.5 | 1.5 | 2.0 | 2.0 | 2.0 | |||
d 1 to d 42 on trial (d 232 to d 273of age) | |||||||||
Body weight start | 1947.2 ± 87.1 | 1946.0 ± 147.6 | 1945.4 ± 37.7 | 1946.8 ± 44.7 | 1946.2 ± 67.6 | 1947.4 ± 41.9 | 1951.6 ± 44.2 | 1.000 | |
Body weight - end | g | 1998.4 ± 52.4 | 1990.0 ± 75.4 | 2000.2 ± 42.0 | 1991.2 ± 30.4 | 1971.8 ± 40.8 | 2001.6 ± 89.2 | 1981.2 ± 49.4 | 0.980 |
Body weight change | g | 51.2 ± 91.4 | 44.0 ± 75.5 | 54.8 ± 24.4 | 44.4 ± 23.2 | 25.6 ± 46.2 | 54.2 ± 63.6 | 29.6 ± 54.7 | 0.975 |
Cumulative feed intake | g | 5151.5 ± 73.0a | 5133.6 ± 102.5a | 5003.6 ± 60.7ab | 5042.5 ± 81.2ab | 4965.1 ± 91.0b | 4999.3 ± 47.6ab | 4997.8 ± 85.5ab | 0.004 |
Daily feed intake | g | 122.7 ± 1.7a | 122.2 ± 2.4a | 119.1 ± 1.4ab | 120.1 ± 1.9ab | 118.2 ± 2.2b | 119.0 ± 1.1ab | 119.0 ± 2.0ab | 0.004 |
Cumulative egg production | no | 40.4 ± 0.8c | 40.2 ± 0.9bc | 37.3 ± 1.1a | 38.1 ± 0.6ab | 36.5 ± 1.3a | 36.7 ± 1.3a | 36.9 ± 1.4a | <0.001 |
Mean egg weight | g | 64.1 ± 0.6 | 64.7 ± 0.6 | 64.6 ± 0.7 | 64.5 ± 0.5 | 64.3 ± 0.6 | 64.5 ± 0.8 | 64.8 ± 0.6 | 0.636 |
Cumulative egg mass | g | 2590.3 ± 42.8bc | 2603.0 ± 65.9c | 2413.2 ± 83.2a | 2458.7 ± 48.2ab | 2343.5 ± 68.1a | 2363.0 ± 61.9a | 2386.6 ± 83.8a | <0.001 |
Cumulative feed conversion ratio1 | 1.989 ± 0.025ab | 1.974 ± 0.082a | 2.075 ± 0.075ab | 2.051 ± 0.052ab | 2.121 ± 0.092ab | 2.117 ± 0.073b | 2.097 ± 0.105ab | 0.020 | |
Cumulative broken eggs | no | 1.8 ± 1.1 | 0.6 ± 0.9 | 1.0 ± 1.2 | 1.2 ± 0.8 | 1.2 ± 1.3 | 1.0 ± 0.7 | 0.8 ± 0.4 | 0.602 |
Cumulative dirty eggs | no | 2.0 ± 1.9 | 1.8 ± 1.3 | 1.6 ± 0.9 | 1.6 ± 1.1 | 1.6 ± 1.1 | 2.0 ± 0.7 | 1.0 ± 1.0 | 0.871 |
Abbreviations: AFB1, aflatoxin B1; MMDA, multicomponent mycotoxin detoxifying agent.
Different superscripts in same row are significant (a/b: P ≤ 0.05).
kg feed per kg egg mass.