| Base Name | Egg production - multi-tier free run |
| Treatments, Standards and Routes | Egg production in multi-tier free run laying facilities, Canadian average |
| Mix and Location | Production mix, at farm gate |
| Functional Unit Flow Properties | Mass per egg - 60 g. |
| Name Synonyms | Free run layer; Aviary |
| Quantitative Reference | 1000 kilograms of eggs |
| Dataset Starting Year | 2019 |
| Dataset Valid Until | 2019 |
| Time Representativity | Annual, for year 2019 |
| Technology Characteristics | Free run aviary systems, manure management included. |
| Intended Process Applications | Eggs produced to be used for table eggs or egg processing - post grading. |
| Ecospold Activity Type | 1 |
| Ecospold Special Activity Type | 0 |
| Classification | Agricultural production means (2.10) |
| Quantitative Reference Type | Reference flow(s) |
| Dataset Time Domain Validity | True |
| Location | Canada (CA) |
| Included Processes | Empty |
| LCI Method Principle | Attributional |
| LCI Principles Deviations | Attributional LCI methods used |
| LCI Method Approaches | Allocation - net calorific value |
| LCI Method Deviations | Allocation by gross chemical content; 91.6% to eggs, 8.4% to spent hens. |
| Modelling Constants | 92.2% of spent hens to human consumption and animal feed rendering, 7.8% of spent hens considered as waste due to incineration and composting; 10.2% of mortalities to animal feed rendering, 89.8% of mortalities considered as waste due to incineration and composting; Manure storage: 7.45% covered wet, 51.82% covered dry pile, 36.67% uncovered dry pile, 4.07% dry pit. |
| Modelling Constant Deviations | NA |
| Data Cutoff/Completeness Principles | Infrastructure and farm machinery not considered; Other exclusions are antibiotics, cleaners, and enteric fermentation for poultry; Emissions related to burning of industrial machinery not included. |
| Deviations from Cutoff/Completeness Principles | NA |
| Data Selection/Combination Principles | Representing data from 30 reporting facilities representing 10351735 dozen eggs sold. |
| Deviations from Selection/Combination Principles | NA |
| Data Treatment and Extrapolation Principles | Standard excretion rate was assumed for manure production, scaled to reported feed conversion ratios. |
| Deviations from Treatment and Extrapolation Principles | NA |
| Supply Coverage | 22.05% |
| Dataset Use Advice | Only used as a representation of average Canadian egg production from free run layer facilities. |
| Dataset Review Summary | Completeness checks for all survey responses, outliers excluded. |
| Type of Dataset Modelling | Unit process, single operation |
| Dataset Source | Egg industry baseline LCA |
| Dataset Review Type | Dependent internal review |
| Dataset Scope | Raw data |
| Dataset Review Method | Expert judgement |
| Technological Representativeness | Very good |
| Time Representativeness | Very good |
| Geographical Representativeness | Good |
| Completeness | Good |
| Precision | Good |
| Methodological Appropriateness and Consistency | Good |
| Overall Quality | Good |
| Reviewer | Nathan Pelletier |
| Review Report Source | Egg industry baseline LCA |
| Overall Compliance Approval | Not defined |
| Nomenclature Compliance | Not defined |
| Methodological Compliance | Not defined |
| Review Compliance | Not defined |
| Documentation Compliance | Not defined |
| Quality Compliance | Not defined |
| Exchanges | |
| Dataset Version | 02.01.001 |
| Dataset Intended Applications | Public release |
| Dataset URI | ../processes/15980bb9-723f-4757-8d37-8b065da502ce.xml |
| Dataset Access Restrictions | Free to use |
| Commissioner | Nathan Pelletier |
| Data Entry | Vivek |
| Approval Source | Egg industry baseline LCA |
| Owner | Nathan Pelletier |
| Dataset Copyright | False |
| Dataset License Type | Free of charge for all users and uses |
| UUID | 15980bb9-723f-4757-8d37-8b065da502ce |
| Timestamp | 2021-04-21T22:45:25+00:00 |