Design considerations for net zero energy buildings for intensive, confined poultry production: A review of current insights, knowledge gaps, and future directions

Li, Y.; Arulnathan, Vivek; Heidari, Mohammad Davoud; Pelletier, Nathan

doi:10.1016/j.rser.2021.111874

Cited by 38 publications

(19 citation statements)

References 150 publications

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“…This similarity provides some backing for the validity of the axial codes in the environment theme. The importance of reducing energy use and increasing energy efficiency were also found by Li et al (2022).…”

Section: Conservationmentioning

confidence: 99%

Infrastructure design stage considerations for environmental sustainability in Zambia

Zulu

Chabala

et al. 2022

JEDT

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Purpose While previous studies have highlighted the importance of incorporating environmental sustainability in building designs, there is a paucity of studies that assess the extent to which design teams in developing countries consider environmental sustainability at the building design stage. Therefore, using Zambia as a case study, this study examined the extent to which infrastructure design teams in a developing country consider environmental sustainability at the design stage. Design/methodology/approach The study used a qualitative research approach using structured interviews because there are hardly any studies which have explored the extent to which designers incorporate environmental sustainability in infrastructure designs in developing countries. The data is analysed thematically using the ATLAS.ti software. Findings The results show that environmental sustainability is not an important design consideration because it is secondary to functional, technical and aesthetic considerations. Environmental considerations are also made in an ad hoc manner and when it is cost-effective for the project. Regulatory requirements pertaining to environmental protection are adhered to without any cost considerations. It was, therefore, theorised that building design teams in developing countries make technical, functional and aesthetic consideration during the infrastructure design stage ahead of environmental considerations. Originality/value There is a paucity of studies that have investigated whether building infrastructure designers consider issues of environmental sustainability at the design stage in developing countries. The findings have practical implications on how developing countries can foster environmental sustainability at the design stage and avoid generating a building infrastructure stock that will require environmental resilience adaptation in the future.

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Section: Conservationmentioning

confidence: 99%

Infrastructure design stage considerations for environmental sustainability in Zambia

Zulu

Chabala

et al. 2022

JEDT

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“…Despite the growing vegan, vegetarian, and environmental movements that encourage the consumption of a plant-based diet, the consumption of poultry meat has increased in the last decades. It is estimated that poultry farming will be the livestock sector with the highest projection until 2050 [ 12 , 26 , 27 ]. According to Food and Agriculture Organization of the United Nations, this industry represented 40% of global meat production in 2020, with chicken the majority poultry species contributing to meat production (90%) [ 13 ].…”

Section: Resultsmentioning

confidence: 99%

Valorization of Chicken Slaughterhouse Byproducts to Obtain Antihypertensive Peptides

et al. 2023

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Hypertension (HTN) is the leading cause of premature deaths worldwide and the main preventable risk factor for cardiovascular diseases. Therefore, there is a current need for new therapeutics to manage this condition. In this regard, protein hydrolysates containing antihypertensive bioactive peptides are of increasing interest. Thus, agri-food industry byproducts have emerged as a valuable source to obtain these hydrolysates as they are rich in proteins and inexpensive. Among these, byproducts from animal origin stand out as they are abundantly generated worldwide. Hence, this review is focused on evaluating the potential role of chicken slaughterhouse byproducts as a source of peptides for managing HTN. Several of these byproducts such as blood, bones, skins, and especially, chicken feet have been used to obtain protein hydrolysates with angiotensin-converting enzyme (ACE)-inhibitory activity and blood pressure-lowering effects. An increase in levels of endogenous antioxidant compounds, a reduction in ACE activity, and an improvement of HTN-associated endothelial dysfunction were the mechanisms underlying their effects. However, most of these studies were carried out in animal models, and further clinical studies are needed in order to confirm these antihypertensive properties. This would increase the value of these byproducts, contributing to the circular economy model of slaughterhouses.

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“…Such a system focuses on providing the most appropriate environment for optimal growth and biosecurity practices. Improvements that can be considered, such as cost effective building materials, improved biosecurity application, and automation (Li et al, 2022), should take a localised approach to fit Malaysia. Local research institutions may play a crucial role in applying technological solutions to improve housing systems that are efficient and cost effective.…”

Section: Housing Systemmentioning

confidence: 99%

Egg and Broiler Supply in Malaysia: Issues, Challenges and Recommendations

Jamaludin

Marsal

Chowdhury

et al. 2023

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The Malaysian poultry industry, particularly the broiler and egg supply, was greatly affected due to recent global challenges such as COVID-19, the Russia-Ukraine conflict, global logistic strains, and the overall deceleration of economies. Being self-sustainable for poultry, the crisis throughout 2022 has shown how fragile the industry is in Malaysia. Based on the above perspectives, the dependency of the poultry industry on imported feed materials and its stability from external factors that support the industry needs to be considered to sustain food security. Therefore the concept of food security in a country might need to be further evaluated as a sustainable value chain rather than individual components. Understanding the value chain involved in the poultry industry is important to conclude the decisions to attain supply stability in Malaysia.

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Design considerations for net zero energy buildings for intensive, confined poultry production: A review of current insights, knowledge gaps, and future directions

Cited by 38 publications

References 150 publications

Infrastructure design stage considerations for environmental sustainability in Zambia

Infrastructure design stage considerations for environmental sustainability in Zambia

Valorization of Chicken Slaughterhouse Byproducts to Obtain Antihypertensive Peptides

Egg and Broiler Supply in Malaysia: Issues, Challenges and Recommendations

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