Technical Note: A flux chamber for measuring gas emissions from rabbits

Estellés, F.; Calvet, S.; Blumetto, Oscar; Rodriguez-Latorre, Andres; Torres, Álvaro Pastor

doi:10.4995/wrs.2009.657

Cited by 4 publications

(3 citation statements)

References 20 publications

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“…To determine the emission from manure, the dynamic chamber method was used (Estellés et al, 2009). Manure samples were collected weekly using 20×13×13 cm (length×width×height) polymethyl methacrylate (PMMA) boxes.…”

Section: Gas Emissionsmentioning

confidence: 99%

Evaluation of calcium superphosphate as an additive to reduce gas emissions from rabbit manure

et al. 2014

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Techniques to reduce the emission of air pollutants from livestock production are demanded. In this study, the effect of an additive (calcium superphosphate) on gas emissions from rabbit manure was investigated and compared with a control where no additive was used. Calcium superphosphate was applied at a rate of 100 g/m 2 per week in a manure pit during 2 cycles of growing rabbits. Manure samples were collected weekly and then chemically and microbiologically analysed. Gas emissions (ammonia, carbon dioxide, methane and nitrous oxide) were determined in 2 open flux chambers. No differences were observed in gas emissions between the treated and control samples except for ammonia emissions, which were reduced by 33% when the additive was applied (P<0.05). No statistical differences were obtained in the microbial content between control and treatment, as results showed a high variability. Dry matter content and pH were the most influential parameters on the emission of gases from manure. According to these results, the application of calcium superphosphate may be considered as an effective technique to reduce ammonia emission from rabbit manure. The additive may also be potentially effective in other species, but additional research is necessary to investigate its performance.

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Section: Gas Emissionsmentioning

confidence: 99%

Evaluation of calcium superphosphate as an additive to reduce gas emissions from rabbit manure

et al. 2014

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“…A flux chamber (60×40×40 cm, long×wide×high) built in poly methyl methacrylate (see complete description in Estellés et al, 2009), was placed in a growing rabbit room (with around 1800 rabbits) in a farm located at the Universitat Politècnica de València, Valencia, Spain. The experiment was conducted during August and September, 2008.…”

Section: Methodsmentioning

confidence: 99%

Short communication: Assessment of activity patterns of growing rabbits in a flux-controlled chamber

Olivas¹,

Rodriguez-Latorre

Estellés

et al. 2013

World Rabbit Sci.

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Flux-controlled and metabolic chambers are often used for nutritional and environmental studies. However, the potential alterations of animal behaviour and welfare are so far not fully understood. In consequence, this study had 2 main objectives: to assess potential alterations of animal activity pattern and time budget inside a flux chamber, and to assess the importance of the "rearing up" behaviour. To this end, 10 growing rabbits of different ages (from 1 to 5 wk of the growing period) were housed inside a flux chamber. Their activity was continuously recorded and assessed, determining the frequency and duration of 8 different behaviours: lying, sleeping, sitting, eating, drinking, walking, rearing up and others. Nocturnal rabbit behaviour and time budget were not altered inside the chamber if compared to previously described rabbit activity under conventional cages. In addition, rabbits in this experiment presented a tendency to perform "rearing up" when housed inside the flux chamber.

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“…In our country and in Mediterranean countries, the analysis of the indoor environments of rabbit houses will be an interesting field of study. In this sense and for rabbit houses, some motivating articles have appeared in local journals (Estellés et al, 2011) and at certain congresses (Estellés et al, 2012).…”

Section: Other Mechanically Ventilated Livestock Buildingsmentioning

confidence: 99%

Optimización De Diseño De Granjas Avícolas De Pollos.

García¹

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However, this doctoral thesis is also developed in the Department of Animal Science of the same University. Therefore, this PhD dissertation opens a new research line that involves two vital departments of this University. Multidisciplinary approaches, creativity and originality among other characteristics are crucial in modern PhD dissertations in a globalised world. Science merges disciplines, cultures, points of view and methodologies creating enthusiasm. -Inter‖ and -multi‖ are key prefixes that enrich.-An initial chapter for the introduction, objectives and structure of the thesis.-A second chapter on the instrumentation used to measure indoor broiler house environments.-A third chapter to study cross mechanical ventilation in broiler houses.-A fourth chapter to study tunnel mechanical ventilation in broiler houses.-A fifth chapter to study single-sided mechanical ventilation in broiler houses.-A sixth chapter to analyse the CFD possibilities in the cooling and heating systems of broiler houses, focusing on fogging systems.-A seventh chapter with general results and discussion.-An eight chapter with the conclusions. 1.7. Published articles/conferences derived from this PhD dissertation. AwardsSome articles have been published in an international journal indexed in Journal Citations Report and some conference articles were derived from the present PhD dissertation. In addition, an award was granted. These published articles and conferences are as follows:

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Technical Note: A flux chamber for measuring gas emissions from rabbits

Cited by 4 publications

References 20 publications

Evaluation of calcium superphosphate as an additive to reduce gas emissions from rabbit manure

Evaluation of calcium superphosphate as an additive to reduce gas emissions from rabbit manure

Short communication: Assessment of activity patterns of growing rabbits in a flux-controlled chamber

Optimización De Diseño De Granjas Avícolas De Pollos.

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