Page 12 - National Poultry Newspaper

Comparison of plant and chicken protein
INCREASING ethi- cal and environmental concerns of consumers surrounding traditional meat products has result- ed in the emergence and expansion of meat alter- natives in the market.
it is therefore less clear whether these general comparisons are reason- able for comparing Aus- tralian chicken and PBAs or meat analogues.
and the scoping analysis results suggested that the comparison was much closer to equivalent than is commonly claimed.
These products include plant-based alternatives – soy, wheat, pea, oat; animal-based alterna- tives – milk and insects; microbial products – my- coprotein; and cultured meats.
For comparisons to be informative, they also need to consider the nu- tritional factors associ- ated with different prod- ucts, and such knowledge is lacking for Australian chicken meat and alter- natives.
As an example, the claimed 70 percent lower carbon footprint of Quorn than chicken is much more than the scoping study results, which showed 15 percent higher impacts for chick- en than Quorn – which, considering the degree of uncertainty in the results, is marginal and likely to be not statistically sig- nificant.
Plant-based alternatives and meat analogues are manufactured food prod- ucts that are designed to mimic the taste and tex- ture of meat products.
The AgriFutures Chicken Meat research project ‘Nutritional and environmental compari- son of chicken and plant protein’ aimed to address these knowledge gaps by determining the nutri- tional comparability of chicken meat to common PBAs and cultured meat via a literature review, and by conducting a scoping life cycle assess- ment to investigate the environmental impacts of the alternative food- stuffs and Australian chicken meat.
For other impact cat- egories of interest, the scoping results showed impacts such as fossil fuel energy may be lower for chicken, though this was very sensitive to the region of the world where the PBA was man- ufactured.
Meat substitutes aim to reduce environmental impacts caused by live- stock production and are often marketed as a more environmentally friend- ly option compared to meats, commonly beef.
This finding was simi- lar with other products available on the Austral- ianmarket.
However, research shows that Australian chicken meat has rela- tively low environmen- tal impacts compared to other meat products and
The net result of the analysis of the literature
For more information, visit agrifutures.com.au
Birds with a good gait were more active than the birds with a suboptimal gait.
Higher activity in broilers with a good gait
ACTIVITY of broilers broilers as an indicator 3-5 were considered Conclusion
is related to their gait, but activity recordings alone cannot fully dis- tinguish between birds with a good or a subop- timal gait.
for leg health.
Gait recordings are of-
“suboptimal”.
Overall, this study in- dicated that birds with different gait classifica- tions showed differences in average activity lev- els.
That is the main con- clusion of a study by Wageningen Livestock Research.
Therefore, there is an interest in automated measuring of alternative traits that can be used as a proxy for leg health.
The activity of birds with a good gait was compared to that of birds with a suboptimal gait.
However, there was quite some overlap in ac- tivity levels between the two gait groups, which complicated distinguish- ing broilers with differ- ent gaits using informa- tion on activity levels only.
Activity tracking and gait scoring
One trait that has po- tential to provide indica- tions for broiler gait is locomotor activity.
Birds with a good gait showed higher activity at the start of the track- ing period, at the end of the tracking and when averaging across the full tracking period.
Gait or walking abil- ity is often recorded for
An automated activity tracking system – imple- mented within the Breed- 4Food individual track- ing project – was used to record individual activity of 137 broilers from 16 to 32 days old.
In subsequent analyses, the body weight of the birds was taken into ac- count, based on a clas- sification of heavy versus light at approximately two weeks old, as well as the day of tracking, trial and cross of the birds.
Therefore, more re- search is required to potentially be able to completely distinguish between good gait and suboptimal gait broilers.
ten performed manually, which can be time-con- suming and subjective.
Birds with a good gait appear more active
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At the end of the track- ing period, the gait of each bird was scored by an expert.
Within the lightweight birds, those with a good gait were again more ac- tive than the birds with a suboptimal gait.
This was a joint study from Wageningen Uni- versity and Research and Utrecht University, in collaboration with Cobb Europe and Breed4Food, and was recently pub- lished in the scientific journal Poultry Science.
Gait was scored on a scaleof0forbestto5 for worst.
For heavyweight birds, no difference in activity was found.
Scores 0-2 were consid- ered “good” and scores
Page 12 – National Poultry Newspaper, October 2021
visit apss2022.com.au
2022 Australian Poultry Science Symposium
ONLINE registration officially opens for the 2022 thirty-third annual Australian Poultry Sci- ence Symposium from Friday October 1, 2021 and all prices will be- come available on the apss2022.com.au web- site.
to revert to a virtual only event.
able to congregate either. Live virtual stream- ing of the event will be a mainstay in years to come, as it opens up the confer- ence to people who can- not attend physically for whatever reason, allowing them to engage in the lat-
The APSS is the premier avian science conference in Australia, attracting delegates from across Australia and all around the world.
Over the past five years the APSS has witnessed a steady growth in attend- ance, and even with the virtual conference due to the COVID-19 pandemic last February, a record number of attendees were recorded and surpassed the 300-delegate goal.
est scientific research. The Australian Poultry Science Symposium is committed to continuing the growth of the sympo- sium into new sectors and new regions, and we are primed to reach 400-500
Though initially an- nounced that 2022 would be a hybrid event, the dif- ficult decision was made
The impact of global travel restrictions will still be felt in 2022 and with ongoing lockdowns across Australia until at least mid-November, it may be unlikely that even Aus- tralian delegates will be
delegates in 2022.
For more information,
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