2022
DOI: 10.3390/ani13010165
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Prediction of Ammonia Concentration in a Pig House Based on Machine Learning Models and Environmental Parameters

Abstract: Accurately predicting the air quality in a piggery and taking control measures in advance are important issues for pig farm production and local environmental management. In this experiment, the NH3 concentration in a semi-automatic piggery was studied. First, the random forest algorithm (RF) and Pearson correlation analysis were combined to analyze the environmental parameters, and nine input schemes for the model feature parameters were identified. Three kinds of deep learning and three kinds of conventional… Show more

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Cited by 14 publications
(9 citation statements)
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“…Under the same gas concentration, the gas flow on the sensor surface varies, resulting in varied sensor responses. Previous studies [ 31 , 32 , 33 , 34 , 35 ] did not consider the electronic nose gas chamber’s effect on the output of the system. In this system, four groups of sensors with cross-sensitivity provide various response signals to the same gas concentration when activated via a bionic chamber.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Under the same gas concentration, the gas flow on the sensor surface varies, resulting in varied sensor responses. Previous studies [ 31 , 32 , 33 , 34 , 35 ] did not consider the electronic nose gas chamber’s effect on the output of the system. In this system, four groups of sensors with cross-sensitivity provide various response signals to the same gas concentration when activated via a bionic chamber.…”
Section: Resultsmentioning
confidence: 99%
“…In a different approach, researchers developed a livestock odor monitoring system incorporating information and communications technology (ICT) and ammonia sensors [ 34 ], enabling trend analysis of collected odor data. Furthermore, a study applied electronic nose technology [ 35 ] in pigsties by integrating a deep learning algorithm optimized using particle swarm optimization to enhance detection accuracy, achieving a determination coefficient R 2 over 0.94. However, most electronic nose methods employ passive sensor placement, resulting in poor real-time data and detection accuracy.…”
Section: Introductionmentioning
confidence: 99%
“…Supplementing pigs with butyrate showed an effect on boar taint impacting pork sensory attributes. Butyrate has a regulatory effect on cell apoptosis and accumulation of androsterone in pigs, which causes boar taint [ 81 ]. However, there is a need for more research on the sensory effects of organic acids and essential oils in pork.…”
Section: Effect Of Organic Acids and Essential Oils On Pig Performancementioning
confidence: 99%
“…In order to improve the prediction accuracy of complex and dynamically changing environmental factors in piggery environments, researchers have carried out a variety of studies that range from traditional statistical methods to modern machine learning techniques [ 10 , 11 , 12 ]. The high degree of non-linearity, rapid dynamic changes, and strong data dependence of the swine barn environment have led to the fact that existing prediction methods often face problems of insufficient prediction accuracy and poor adaptability to environmental changes [ 13 , 14 , 15 ].…”
Section: Introductionmentioning
confidence: 99%