Compatibility of ammonia suppressants used in poultry litter with mushroom compost preparation and production

González-Matute, Ramiro; Rinker, Danny Lee

doi:10.1016/j.biortech.2005.07.029

Cited by 6 publications

(2 citation statements)

References 3 publications

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“…One of the most notable compounds that can affect mycelial growth is ammonia. Ammonia concentration has a strong inhibition effect on A. bisporus mycelium growth and thus on mushroom production [68]. Free ammonia is required during phase I composting because it stimulates the bioconversion of mixed raw materials and releases polysaccharides from the lignin matrix making the straw carbohydrates more accessible to A. bisporus mycelium.…”

Section: Discussionmentioning

confidence: 99%

An Exploration into the Bacterial Community under Different Pasteurization Conditions during Substrate Preparation (Composting–Phase II) for Agaricus bisporus Cultivation

Vieira

Pecchia

2017

Microb Ecol

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Substrate preparation (i.e., composting) for Agaricus bisporus cultivation is the most critical point of mushroom production. Among many factors involved in the composting process, the microbial ecology of the system is the underlying drive of composting and can be influenced by composting management techniques. Pasteurization temperature at the beginning of phase II, in theory, may influence the bacterial community and subsequently the "selectivity" and nutrition of the final substrate. Therefore, this hypothesis was tested by simulation in bioreactors under different pasteurization conditions (57 °C/6 h, 60 °C/2 h, and 68 °C/2 h), simulating conditions adopted by many producers. Bacterial diversity, based on 16S ribosomal RNA obtained by high-throughput sequencing and classified in operational taxonomic units (OTUs), was greater than previously reported using culture-dependent methods. Alpha diversity estimators show a lower diversity of OTUs under a high-temperature pasteurization condition. Bacillales order shows a relatively higher OTU abundance under a high-pasteurization temperature, which also was related to high ammonia emission measurements. On the other hand, beta diversity analysis showed no significantly changes in the bacterial community structure under different conditions. Agaricus bisporus mycelium growth during a standard spawn run period was significantly slower in the compost pasteurized at high temperature. Since the bacterial community structure was not greatly affected by different pasteurization conditions but by-products left (e.g., ammonia) at the end of compost conditioning varied, further studies need to be conducted to determine the functional role of the microbial communities found during substrate preparation for Agaricus bisporus cultivation.

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Section: Discussionmentioning

confidence: 99%

An Exploration into the Bacterial Community under Different Pasteurization Conditions during Substrate Preparation (Composting–Phase II) for Agaricus bisporus Cultivation

Vieira

Pecchia

2017

Microb Ecol

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“…The presence of these ammonia suppressants does not affect composting or mushroom cropping. For example, use of poultry manure containing a suppressant based on monocalcium phosphate led to only slightly elevated ammonia levels during composting (Beyer et al 2000 ), while poultry litter treated with a sodium hydrogen sulphate suppressant did not affect ammonia emissions or compost N during composting (Beyer et al 2000 ; Gonzalez-Matute and Rinker 2006 ). Neither suppressant changed the subsequent mushroom cropping performance.…”

Section: Organic Matter N Sourcesmentioning

confidence: 99%

Nitrogen balance and supply in Australasian mushroom composts

Noble,

Thai,

Kertesz

2024

Appl Microbiol Biotechnol

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Mushrooms are an important source of protein in the human diet. They are increasingly viewed as a sustainable meat replacement in an era of growing populations, with button mushrooms (Agaricus bisporus) the most popular and economically important mushroom in Europe, Australia and North America. Button mushrooms are cultivated on a defined, straw-derived compost, and the nitrogen (N) required to grow these high-protein foods is provided mainly by the addition of poultry manure and horse manure. Using the correct balance of carbon (C) and N sources to produce mushroom compost is critically important in achieving maximum mushroom yields. Changes in the amount and form of N added, the rate and timing of N addition and the other compost components used can dramatically change the proportion of added N recovered in the mushroom caps, the yield and quality of the mushrooms and the loss of N as ammonia and nitrogen oxide gases during composting. This review examines how N supply for mushroom production can be optimised by the use of a broad range of inorganic and organic N sources for mushroom composting, together with the use of recycled compost leachate, gypsum and protein-rich supplements. Integrating this knowledge into our current molecular understanding of mushroom compost biology will provide a pathway for the development of sustainable solutions in mushroom production that will contribute strongly to the circular economy. Key points • Nitrogen for production of mushroom compost can be provided as a much wider range of organic feedstocks or inorganic compounds than currently used • Most of the nitrogen used in production of mushroom compost is not recovered as protein in the mushroom crop • The sustainability of mushroom cropping would be increased through alternative nitrogen management during composting and cropping

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Supplementation of Poultry Feeds with Dietary Zinc and Other Minerals and Compounds to Mitigate Nitrogen Emissions—A Review

Hunde

Patterson

Ricke

et al. 2012

Biol Trace Elem Res

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One of the environmental challenges that the poultry industry has been faced with is ammonia emission from manure. One way to reduce nitrogen excretion and emissions is supplementing dietary trace minerals to inhibit the activity of microbial uricase, a key enzyme converting nitrogen compounds in the manure into ammonia. Several dietary minerals are commercially available as economic alternatives for reducing ammonia emissions in poultry. In this review, we discuss different mineral elements including zinc as feed amendment minerals that could be used to reduce ammonia emission. Issues discussed include potential for inhibiting microbial uricase, dietary supplementation levels, growth performance, toxicity, their influence on manure nitrogen emission, and potential mineral accumulation in soil. In addition, we discuss other minerals and compounds that have the potential to reduce ammonia volatilization by inhibiting microbial uricase and growth of uric acid-utilizing microorganisms.

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Compatibility of ammonia suppressants used in poultry litter with mushroom compost preparation and production

Cited by 6 publications

References 3 publications

An Exploration into the Bacterial Community under Different Pasteurization Conditions during Substrate Preparation (Composting–Phase II) for Agaricus bisporus Cultivation

An Exploration into the Bacterial Community under Different Pasteurization Conditions during Substrate Preparation (Composting–Phase II) for Agaricus bisporus Cultivation

Nitrogen balance and supply in Australasian mushroom composts

Supplementation of Poultry Feeds with Dietary Zinc and Other Minerals and Compounds to Mitigate Nitrogen Emissions—A Review

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