Environmental and Functional Engineering of Agricultural Buildings

Barre, H. J.; Sammet, L. L.; Nelson, Gordon L.

doi:10.1007/978-1-4684-1443-1

Cited by 8 publications

(4 citation statements)

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“…On the other hand, in the non-hermetic system, infestation substantially increased and led to an increase in grain water content and ultimately loss of grain quality. In general, heat and moisture production in grains depend on moisture content, temperature, stage of maturity, degree of insect and mite infestation, extent of mold growth, activity of enzyme, and prior conditions of storage (Barre et al, 1988;Quezada et al, 2006;Mutungi et al, 2015). In the present study, the increase in grain water content under the nonhermetic storage conditions was influenced by bruchid infestation.…”

Section: Discussionmentioning

confidence: 77%

Hermetic storage for control of common bean weevil, Acanthoscelides obtectus (Say)

Freitas

Faroni

Sousa

2016

Journal of Stored Products Research

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Keywords: Bruchid Modified atmosphere Phaseolus vulgaris Plastic bottle Silo bag a b s t r a c tThis study evaluated hermetic storage as a method of controlling Acanthoscelides obtectus (Coleoptera: Chrysomelidae: Bruchinae) in stored beans. Recently harvested "vermelhinho" cultivar of the common red bean was used, which had already been infested by A. obtectus in the field. Beans with a moisture content of 15.0% wet basis were stored in silo bags (3 kg), plastic bottles (1.5 L), or non-hermetic glass containers (3 L) (control) for 120 days. The packages were stored in an acclimatized chamber at 25 C with a relative humidity of 70 ± 5%. At time intervals of 0, 30, 60, 90, and 120 days, three packages of each treatment were opened, and analyses were performed to assess the infestation percentage by insect pests, moisture content, density, electrical conductivity, germination percentage, and cooking time. There was no increase in infestation by A. obtectus in the grains stored in the silo bags and plastic bottles during the 120 days of storage; however, there was a significant increase in infestation in the grains in nonhermetic storage (control). The quality of the beans correlated with infestation; it was not altered in the hermetic storage systems and decreased in the control sample. Hermetic storage of common beans is an effective tool in the control of A. obtectus.

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Section: Discussionmentioning

confidence: 77%

Hermetic storage for control of common bean weevil, Acanthoscelides obtectus (Say)

Freitas

Faroni

Sousa

2016

Journal of Stored Products Research

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“…For these reasons, 25% of the total amount of proteins consumed worldwide are derived from animals [5] that have been farmed by humanity for this specific purpose for millennia. As agriculture developed, it became evident that controlling the thermal environment in which animals are farmed contributes materially to their production [8]. Thus, animals started being farmed in confined systems, i.e., livestock houses, to providing them an environment of controlled temperature and humidity.…”

Section: Introductionmentioning

confidence: 99%

The Role of Climate Control in Monogastric Animal Farming: The Effects on Animal Welfare, Air Emissions, Productivity, Health, and Energy Use

2021

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In the last decades, an engineering process has deeply transformed livestock houses by introducing fine-tuned climate control systems to guarantee adequate indoor climate conditions needed to express the maximum genetic potential of animals and to increase their productivity. Climate control, hence, has strong relation with productivity but also with other livestock production domains, outlining a web of mutual relations between them. The objective of this work is to understand the actual role of climate control in intensive livestock houses by unpicking this web of mutual relations through a literature review. The results show that climate control plays a key role in intensive livestock houses since it has strong relations with animal welfare, air emissions, productivity, health, and energy use. These relations make it essential to adopt an integrated approach for the assessment of the effectiveness of any proposed improvement in the different domains of livestock production. This is especially true considering aspects such as the expected increase of livestock production in developing countries and global warming. For this purpose, integrated climate control models of livestock houses are needed, representing a challenging opportunity for performing investigations in this research field.

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“…These products consist mainly of water; hence without adequate storage after harvest, they shrivel, wither or rot away rapidly, particularly under hot tropical conditions due to loss of moisture, change in composition and pathological attack [3][4]. In order to maintain freshness in these products, they have to be stored in low temperature and high relative humidity [5][6][7]. Adequate storage prolongs usefulness, checks market gluts, provides a wider selection of fruits and vegetables throughout the year.…”

Section: Introductionmentioning

confidence: 99%

Performance Evaluation of a Composite-Padded Evaporative Cooling Storage Bin

Ogbuagu¹,

Green²,

Anyanwu³

et al. 2016

Nig. J. Tech.

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In tropical regions, postharvest losses of fruits and vegetables induced by high temperatures is a major challenge to agriculture, especially in places with poor or no electric power supply. The present study is on the comparative performance evaluation of a 92kg capacity storage bin for the preservation of fruits and vegetables, operating on the principle of evaporative cooling. A 24V DC, 0.37kW fan attached to the back of the cooler serves to blow in cooling air. The average temperature drop and saturation efficiency in the evaporative cooler during the no-load test were 5°C and 42%, respectively. The facility was able to sustain tomatoes, garden eggs and carrots stored in it for ten days. The weight losses at ambient temperature were found to be 70%, 30%and 45% for tomatoes, garden eggs and carrots, respectively; while those stored at cooler temperature were10%, 25%, and 40% for tomatoes, garden eggs and carrots respectively. The evaporative cooler performed best for storage of tomatoes. http://dx.doi.org/10.4314/njt.v36i1.37

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Environmental and Functional Engineering of Agricultural Buildings

Cited by 8 publications

References 0 publications

Hermetic storage for control of common bean weevil, Acanthoscelides obtectus (Say)

Hermetic storage for control of common bean weevil, Acanthoscelides obtectus (Say)

The Role of Climate Control in Monogastric Animal Farming: The Effects on Animal Welfare, Air Emissions, Productivity, Health, and Energy Use

Performance Evaluation of a Composite-Padded Evaporative Cooling Storage Bin

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