Abstract
Simple SummaryEnsuring acceptable welfare of broilers at the slaughterhouse is paramount in meeting legislative and retailer specifications, and in producing high quality meat. Animal welfare training for staff working in red meat slaughterhouses has been shown to improve animal welfare measures and product quality, however there is little evidence of the effects of welfare training in poultry processing plants. The aim of this study was to investigate the impact of introducing a welfare training program for staff on bird welfare and carcass quality in a commercial Costa Rican and British poultry slaughter plant. The results we obtained show that staff welfare training has a positive effect on several bird welfare outcomes. Some carcass quality measures also improved post training, although this result was not consistent. These data could help the development and targeting of future welfare training courses and encourage the uptake of welfare training in the poultry slaughter industry.The number of broilers slaughtered globally is increasing. Ensuring acceptable welfare conditions for birds at the time of slaughter is paramount in meeting legislative and retailer specifications, and in producing high quality meat. There is knowledge that welfare training programs for members of the farming and red meat slaughter industry can improve animal welfare measures and product quality, however there is little evidence of the effects of welfare training in poultry processing plants. In our study, a comprehensive welfare training program was introduced to a Costa Rican and a British commercial broiler primary processing plant, both of which slaughter birds by way of neck cut post electrical water bath stunning. The effects of this program on some welfare and product quality measures were investigated, both immediately and six months post training. The welfare measures that showed significant improvements post training included; flapping at shackling, pre-stun shocks, stun parameters and effective neck cut. Product quality measures including broken wings and red pygostyles also improved, however the positive effect of training was not seen in all quality measures. Welfare training does have the potential to improve broiler welfare and product quality at slaughter, and these data could help the development and targeting of future welfare training courses and encourage the uptake of welfare training in the poultry slaughter industry.
Highlights
The worldwide consumption and production of poultry meat is increasing; It is estimated that in 2018 global output reached 121.6 million tonnes, an increase of 1.4% on 2017 [1]
This study aimed to gain an understanding of the influence that the introduction of a welfare training course for abattoir staff may have on bird welfare and product quality in commercial poultry slaughter facilities, an understanding of which may benefit the development and targeting of future welfare training courses and encourage the uptake of welfare training in the poultry slaughter industry
Sprinkler fans were in use in the lairage of processing plant P1, it was observed that the sprinkler was not in use during post training (post-T)
Summary
The worldwide consumption and production of poultry meat is increasing; It is estimated that in 2018 global output reached 121.6 million tonnes, an increase of 1.4% on 2017 [1]. Violent wing flapping can occur as a result of pre-stun shocks when birds enter the water bath stunner, [11] (a painful electric shock occurring when any part of the bird makes contact with electrically-live water bath prior to head entry) [9]. This flapping behaviour is associated with quality defects such as red wing tips [12], broken wings and wing haemorrhages [13,14]. These conditions can lead to product downgrading, and can be economically significant for slaughter business operators [15]
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