**Source:** [EEA (2019) Chapter 3.B Table 3.9](https://www.eea.europa.eu/publications/emep-eea-guidebook-2019/part-b-sectoral-guidance-chapters/4-agriculture/3-b-manure-management/view).

**Dataset:** EMEP/EEA guidebook 2019

**Licence:** [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/)

**Citation:** EEA (2019). EMEP/EEA air pollutant emission inventory guidebook 2019. EEA Report No 13/2019, chapter 3.B Manure management. Publications Office of the European Union, Luxembourg. https://doi.org/10.2800/293657

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`excretaInsects*` (farmed insects: black soldier fly, mealworm, cricket) and `excretaBees*` (honey
bee frass) use the **poultry** uricotelic per-system EFs as a mechanistic analogue — insect and bee
excreta are uric-acid-dominated like poultry. The low measured NH₃ of insect/bee excreta is carried
by the low `totalAmmoniacalNitrogenContentAsN` (TAN) default property on those excreta terms (~12%
and ~2% of N vs poultry 70%), not by lowering these EFs (avoids double-counting). `excretaBees`
additionally carries the `dailySpread` analogue (0.475) under `pastureRangePaddockExcretaManagement`,
because dispersed field defecation during cleansing flights is the primary excretion pathway for bees
(poultry leaves this `-`). Calibration sources: Beesigamukama et al. (2022) Sci Rep 12:7182; Parodi
et al. (2020) J Clean Prod 271:122488; Li et al. (2023) Insect Sci 10.1111/1744-7917.13185; Mishra
et al. (2013) PLoS ONE 8(7):e70591; Fell (1962) J Nutr 85(1):113.
-->