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Abstract

The objective of this study was to determine the correlation between ventilation rates occurring in a barn designed to house dairy cows and the microenvironments that develop within the cow pens. To do this, a computational fluid dynamics model (CFD) of a tunnel-ventilated template barn was...

Author(s)
Mondaca, M. R.; Choi, C. Y.; Cook, N. B.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Biosystems Engineering, 2019, 183, pp 70-84
Abstract

The negative effect of heat stress on dairy cows, with a temperature humidity index (THI) over 72, has been extensively studied. However, there are few studies on THI values under 72 that compare the effect of heat stress in different lactation stages. The objective of this study was to determine...

Author(s)
Román, L.; Saravia, C.; Astigarraga, L.; Bentancur, O.; Manna, A. la
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2019, 59, 2, pp 347-358
Abstract

This paper shows the results of a research study aimed at investigating the effects of a sprinkler system coupled with forced ventilation on the heat stress and the behaviour of dairy cows reared in a free stall barn without paddock. To this aim, an experiment was carried out inside a free-stall...

Author(s)
D'Emilio, A.; Cascone, G.; Lanteri, P.; Porto, S. M. C.
Publisher
International Commission of Agricultural and Biosystems Engineering, Sapporo, Japan
Citation
Agricultural Engineering International: CIGR Journal, 2018, 20, Special Issue, pp unpaginated
Abstract

Livestock housing is one of the main sources of ammonia (NH3) emissions from agriculture. Different management and environmental factors are known to affect NH3 emissions from housing systems. The aim of this study was to quantitatively define the effect of temperature, wind speed, relative...

Author(s)
Sanchis, E.; Calvet, S.; Prado, A. del; Estellés, F.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Biosystems Engineering, 2019, 178, pp 176-183
Abstract

The objectives were to compare capital costs of building and installation of 7 ventilation systems for adult lactating dairy cow housing and evaluate the energy use and operating cost between systems. A cost model comprising stochastic and parametric modules was created to estimate the number of...

Author(s)
Mondaca, M. R.; Cook, N. B.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 1, pp 896-908
Abstract

Objective: The objective of this study was to examine the effect of using a tunnel ventilation system within the dairy barn environment upon the productivity of dairy cows during the winter season. Methods: The study was performed at the University Farm, Faculty of Agriculture, Utsunomiya...

Author(s)
Sarentonglaga, B.; Sugiyama, T.; Fukumori, R.; Nagao, Y.
Publisher
Asian-Australasian Association of Animal Production Societies, Seoul, Korea Republic
Citation
Asian-Australasian Journal of Animal Sciences, 2019, 32, 5, pp 748-756
Abstract

A good ventilation system is critical to the success of any commercial cattle raising operation. Most dairies rely on natural ventilation systems, with supplemental cooling systems (e.g. cooling fans, ceiling ventilation, polytube cooling, etc.) to help mitigate the heat stress imposed on the cows...

Author(s)
Wang XiaoShuai; Zhang GuoQiang; Choi, C. Y.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Biosystems Engineering, 2018, 175, pp 1-15
Abstract

This paper presents the results of a research study which had the objective of investigating the effect of a sprinkler system coupled with forced ventilation on the heat stress of dairy cows bred in a free stall barn without paddock. To this aim, an experiment was carried out inside a free-stall...

Author(s)
D'Emilio, A.; Porto, S. M. C.; Cascone, G.; Bella, M.; Gulino, M.
Publisher
PAGEPress Publications, Pavia, Italy
Citation
Journal of Agricultural Engineering, 2017, 48, 4, pp 190-195
Abstract

This paper reports on a study which examines the behaviour of cows in choosing a cubicle for their comfort. The study was conducted in a dairy farm in Germany wherein the presence of an old barn was present and was built in 1987 which could house 46 cows, it has ventilation over the ridge instead...

Author(s)
Aillaud, B.; Hoy, S.
Publisher
AVA Agrar-Verlag Allgäu GmbH, Kempten, Germany
Citation
DMZ, Lebensmittelindustrie und Milchwirtschaft, 2018, 139, Special Edition, pp 12-13
AbstractFull Text

The compost bedded pack barns is a loose housing confinement system for dairy cows, which aims to provide greater comfort in the resting area. Therefore, objective of this review was to investigate the environment, behavior and welfare aspects of dairy cows in the compost bedded pack barns system....

Author(s)
Pilatti, J. A.; Vieira, F. M. C.
Publisher
Universidade Federal Rural do Semi-Árido (UFERSA), Mossoro, Brazil
Citation
Journal of Animal Behaviour and Biometeorology, 2017, 5, 3, pp 97-105

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