I think it’s worth noting here that (if I’m understanding it right) the alternative breeds recommended by the better chicken commitment are slower-growing but don’t have a lower max weight. And the welfare footprint project numbers on pain durations already account for the longer time to reach full weight.
I think it’s worth noting here that (if I’m understanding it right) the alternative breeds recommended by the better chicken commitment are slower-growing but don’t have a lower max weight.
I’m not sure, but the optimal weight at slaughter could be lower, which I think Lusk et al. (blog post) found for the US. Even if they could reach the same maximum weight, it may be more profitable to slaughter them at lower weights.
And the welfare footprint project numbers on pain durations already account for the longer time to reach full weight.
Ya, I intended to imply that, but could have worded things better. I’ve edited my comment.
Gotcha, that makes sense! Even if producers slaughter at a lower weight, I think the number of chicken-days of life per kg of meat shouldn’t change much relative to what goes into the WFP analysis. So I don’t think that producers slaughtering earlier changes the quantity of time spent suffering very significantly, just whether it’s distributed among fewer longer-lived chickens or more shorter-lived chickens.
For the reformed scenario, represented by the use of a slower-growing strain, we assumed an average ADG of 45-46 g/​day, hence that the same slaughter weight would be reached in approximately 56 days.
I think it’s worth noting here that (if I’m understanding it right) the alternative breeds recommended by the better chicken commitment are slower-growing but don’t have a lower max weight. And the welfare footprint project numbers on pain durations already account for the longer time to reach full weight.
I’m not sure, but the optimal weight at slaughter could be lower, which I think Lusk et al. (blog post) found for the US. Even if they could reach the same maximum weight, it may be more profitable to slaughter them at lower weights.
Ya, I intended to imply that, but could have worded things better. I’ve edited my comment.
Gotcha, that makes sense! Even if producers slaughter at a lower weight, I think the number of chicken-days of life per kg of meat shouldn’t change much relative to what goes into the WFP analysis. So I don’t think that producers slaughtering earlier changes the quantity of time spent suffering very significantly, just whether it’s distributed among fewer longer-lived chickens or more shorter-lived chickens.
Ah, ya: