scholarly journals Influence of air temperature and humidity in the stable on the physiological parameters in horses: Preliminary study

2020 ◽  
Vol 76 (09) ◽  
pp. 6441-2020
Author(s):  
IWONA JANCZAREK ◽  
ANNA STACHURSKA ◽  
ELŻBIETA WNUK-PAWLAK ◽  
ANNA WIŚNIEWSKA ◽  
IZABELA WILK ◽  
...  
Keyword(s):  
Body Temperature ◽  
Air Temperature ◽  
Physiological Parameters ◽  
Air Humidity ◽  
Technical Parameters ◽  
Relative Air Humidity ◽  
Temperature And Humidity ◽  
Different Seasons ◽  
Preliminary Study ◽  
Internal Body

The aim of the study was to analyse selected air parameters in the stable (microclimate) and basic physiological parameters in horses maintained in this stable in different seasons of the year. The material consisted of 24 adult warmblood leisure horses maintained in two brick-built box stables. The technical parameters in the stables (air temperature and humidity in the hall and in two places in a box) were determined on the first day of summer, autumn, winter and spring in the same year. The measurements of each parameter were performed with an LB-518 wireless battery thermohygrometer Bluetooth BLE-LOGGER at noon in five places in the stable situated 300 cm apart from each other. The physiological parameters in horses, that is, the internal body temperature (Veterinär – Thermometer S.C. 12), the heart rate (Polar ELECTRO OY – RS800CX device with PolarProTrainer 5.0. software) and the respiratory rate (manual stopwatch), were measured at 6:00 and 18:00 every day of the test. It was found that the season of the year significantly influenced the microclimate of the stable. To maintain the optimal relative air humidity, the airing of the stable should be limited only in winter and partly in autumn. It should also be emphasised that the microclimate of the stable considerably influences the basic physiological horse parameters. A high temperature in the stable during summer may cause an adverse increase in the internal body temperature in the evening, whereas a high relative humidity can contribute to a decrease in the animal’s body temperature during winter. The other parameters, that is, the heart and respiratory rates, can be excessively elevated mainly in summer. Horses tend to have less difficulty maintaining proper levels of physiological parameters in winter, still less in autumn, and the least in spring.

Effect of air temperature and humidity in a stable on basic physiological parameters in horses

2020 ◽  
Vol 16 (3) ◽  
pp. 55-65
Author(s):  
Iwona Janczarek ◽  
Izabela Wilk ◽  
Anna Wiśniewska ◽  
Roland Kusy ◽  
Katarzyna Cikacz ◽  
...  
Keyword(s):  
Heart Rate ◽  
Body Temperature ◽  
Relative Humidity ◽  
Respiratory Rate ◽  
Marked Effect ◽  
Physiological Parameters ◽  
Research Material ◽  
Different Seasons ◽  
One Year ◽  
Internal Body

The aim of the study was to analyse selected air parameters in a stable (microclimate) and the basic physiological parameters of horses housed in the stable in different seasons of the year. The research material was 12 adult hot-blooded horses kept in a brick stable with stalls. Air parameters in the stable (temperature in the passageway, temperature in the stall at two points, relative humidity in the passageway, and relative humidity in the stall at two points) were determined four times in one year, in summer, autumn, winter and spring. Measurements were made with a Bluetooth BLE-LOGGER LB-518 battery-operated cordless thermo-hygrometer at 12 noon at five points in the stable located 300 cm apart. Physiological parameters of the horses, i.e. internal body temperature (Veterinär SC 12 veterinary thermometer), heart rate (Polar ELECTRO OY RS800CX with PolarProTrainer 5.0. software), and respiratory rate (with a manual stopwatch) were measured at 6 a.m. and 6 p.m. on each day of the study. The season of the year was found to have a significant influence on the microclimate of the stable. To ensure optimal air humidity, airing of the stable should be limited only in winter and periodically in autumn. It is also worth emphasizing that the stable microclimate has a marked effect on the basic physiological parameters of horses. High temperature and relative humidity in the stable can cause unfavourable changes in the form of an increase in evening body temperature in the summer and a decrease in the winter. The remaining parameters, i.e. heart rate and respiratory rate, can also unfavourably increase, mainly in the summer. Horses should have fewer problems maintaining normal physiological parameters in winter, even fewer in autumn, and the fewest in spring.

scholarly journals Non-Contact Evaluation of Pigs’ Body Temperature Incorporating Environmental Factors

Sensors ◽  
2020 ◽  
Vol 20 (15) ◽  
pp. 4282
Author(s):  
Guifeng Jia ◽  
Wei Li ◽  
Junyu Meng ◽  
Hequn Tan ◽  
Yaoze Feng
Keyword(s):  
Body Temperature ◽  
Environmental Factors ◽  
Prediction Model ◽  
Air Temperature ◽  
Maximum Error ◽  
Support Vector ◽  
Internal Temperature ◽  
Minimum Error ◽  
Temperature And Humidity ◽  
Internal Body

Internal body temperature is the gold standard for the fever of pigs, however non-contact infrared imaging technology (IRT) can only measure the skin temperature of regions of interest (ROI). Therefore, using IRT to detect the internal body temperature should be based on a correlation model between the ROI temperature and the internal temperature. When heat exchange between the ROI and the surroundings makes the ROI temperature more correlated with the environment, merely depending on the ROI to predict the internal temperature is unreliable. To ensure a high prediction accuracy, this paper investigated the influence of air temperature and humidity on ROI temperature, then built a prediction model incorporating them. The animal test includes 18 swine. IRT was employed to collect the temperatures of the backside, eye, vulva, and ear root ROIs; meanwhile, the air temperature and humidity were recorded. Body temperature prediction models incorporating environmental factors and the ROI temperature were constructed based on Back Propagate Neural Net (BPNN), Random Forest (RF), and Support Vector Regression (SVR). All three models yielded better results regarding the maximum error, minimum error, and mean square error (MSE) when the environmental factors were considered. When environmental factors were incorporated, SVR produced the best outcome, with the maximum error at 0.478 °C, the minimum error at 0.124 °C, and the MSE at 0.159 °C. The result demonstrated the accuracy and applicability of SVR as a prediction model of pigs′ internal body temperature.

scholarly journals ПРОГНОЗ РАЗМНОЖЕНИЯ ВРЕДОНОСНЫХ ПОКОЛЕНИЙ ГРОЗДЕВОЙ ЛИСТОВЕРТКИ В УСЛОВИЯХ РАВНИННО-СТЕПНОГО КРЫМА

2012 ◽  
pp. 84-87
Author(s):  
С. Н. Лебедев
Keyword(s):  
Mathematical Models ◽  
Air Temperature ◽  
Lobesia Botrana ◽  
Air Humidity ◽  
Protective Measures ◽  
Relative Air Humidity

Наводяться дані про залежність розвитку шкід-ливих поколінь ґронової листовійки на винограднихнасадженнях рівнинно-степового Криму від абіо-тичних чинників: середньодобової температуриповітря, суми опадів, відносної вологості повітря,а також площі листової поверхні куща винограду.На основі цих даних розроблені математичні мо-делі прогнозу розвитку фітофага, що дадуть змо-гу оптимізувати кратність і своєчасність захис-них заходів у боротьбі з зазначеним шкідником наконкретному сорті винограду. Provides information on the intent of the development ofmalicious generations Lobesia botrana of the leaf rolleron vine plantations of plain-steppe Crimea from abioticfactors: the average daily air temperature, amount of precipitation,relative air humidity, as well as the area of leafsurface bush of grapes. On the basis of these datadeveloped mathematical models of forecasting of thedevelopment of the phytophage, that allows to optimizethe frequency and timeliness of protective measures inthe fight against this pest on a particular cultivar ofgrapes.

scholarly journals Shading and periods of acclimatization of micropropagated banana plantlets cv. Grande Naine

2009 ◽  
Vol 66 (3) ◽  
pp. 331-337 ◽  
Author(s):  
Ciro Scaranari ◽  
Paulo Ademar Martins Leal ◽  
Paulo Mazzafera
Keyword(s):  
Light Condition ◽  
Physiological Parameters ◽  
Field Conditions ◽  
Plastic Film ◽  
Air Humidity ◽  
Transparent Plastic ◽  
Light Water ◽  
Relative Air Humidity ◽  
Shade Cloth

Banana plantlets obtained by micropropagation need to be submitted to a period of acclimatization since they do not use light, water, and nutrients in an efficient way. The acclimatization must be carried out under greenhouse conditions where temperature, light, and air humidity are adequate for a gradual hardening of the plantlets. In this study, the development of banana plantlets was evaluated during acclimatization under a full light condition including covered surfaces with red shade cloth (70%, 50%, and 30% shade) and black shade cloth (50% shade), both under a transparent plastic film of 100 µm. Temperature, relative air humidity, irrigation, and nutrition conditions were also controlled. Physical and physiological parameters were recorded at various stages in the greenhouses after three, six, and nine weeks and also after seven weeks of transplanting to field conditions. Treatments were hierarchically graded according to their statistic classification. Combined results indicated superior outcomes of plantlets maintained under black 50% shade cloth for nine weeks, both in the summer and winter seasons. Similar results, but in a shorter time, were obtained with plantlets cultivated under red 70% shade cloth, for six weeks in the summer.

scholarly journals INVESTIGATION AND EVALUATION OF H2S EMISSIONS FROM A MUNICIPAL LANDFILL / SIEROS VANDENILIO IŠSISKYRIMO KOMUNALINIŲ ATLIEKŲ SĄVARTYNE TYRIMAI IR ĮVERTINIMAS / ИССЛЕДОВАНИЯ ПО ОЦЕНКЕ ВЫБРОСОВ СЕРНИСТОГО ВОДОРОДА НА СВАЛКЕ МУНИЦИПАЛЬНЫХ ОТХОДОВ

2011 ◽  
Vol 19 (1) ◽  
pp. 12-20 ◽  
Author(s):  
Saulius Vasarevičius
Keyword(s):  
Air Temperature ◽  
Hydrogen Sulphide ◽  
Air Humidity ◽  
Monitoring Wells ◽  
Municipal Landfill ◽  
Different Seasons

The aim of investigation was to evaluate the degree of pollution caused by a municipal landfill and determine the dependence of the amounts of emissions of the odorant hydrogen sulphide (H2S) on different parameters of the environment. The Jerubaičiai landfill in Plungė district was selected for the investigation. Measurements were recorded at 59 points and 2 monitoring wells. The measurement points and places were selected so that the landfill places generating the largest amounts of H2S and the directions of pollutant movement are identified. It was determined that the amounts of H2S varied from 0.9 ppm (in February) to 8.6 ppm (in August) in different places of the landfill. The largest amounts of H2S were identified in the areas of freshly-tipped waste. Odorants in these zones are generated during waste tipping out of trucks or waste pushing. H2S generation in the top layer of waste changes during the day and different seasons of the year. It is mainly influenced by air temperature. No dependence between H2S generation velocity and air humidity or pressure was identified. Santrauka Tyrimų tikslas buvo įvertinti komunalinių atliekų sąvartyno skleidžiamą taršą ir nustatyti išsiskiriančio odoranto sieros vandenilio (H2S) kiekių priklausomumą nuo įvairių aplinkos parametrų. Tyrimams buvo pasirinktas Jerubaičių sąvartynas Plungės rajone. Matavimai atlikti 59 taškuose ir dviejuose monitoringo šuliniuose. Matavimo taškai ir vietos pasirinkta daugiausia H2S generuojančioms sąvartyno vietoms bei teršalų judėjimo kryptims nustatyti. Nustatyta, kad įvairiose sąvartyno vietose H2S kiekiai kinta nuo 0,9 ppm (vasario mėn.) iki 8,6 ppm (rugpjūčio mėn.). Didžiausi H2S kiekiai rasti ten, kur išpilamos naujai atvežamos atliekos. Šiose zonose odorantai išsiskiria sunkvežimiams išpilant atliekas ir jas stumdant.Per dieną ir įvairiais metų laikais viršutiniame atliekų sluoksnyje susidaro nevienodi H2S kiekiai. Didžiausią įtaką turi oro temperatūra. Priklausomybių tarp H2S susidarymo greičio ir oro drėgmės bei slėgio nenustatyta. Резюме Целью исследования было оценить загрязнение окружающей среды, вызываемое муниципальными отходами на свалке, и определить зависимость количества выбрасываемого сернистого водорода (H2S) от условий окружаю щей среды. Исследования проводились на свалке Йерубайчай в районе Плунге. Измерения проводились в 59 точ ках и 2 колодцах мониторинга. Точки для измерений были подобраны таким образом, чтобы выявить зоны свалки с наибольшим количеством выбросов H2S. В ходе исследования установлено, что количество H2S меняется от 0,9 ppm (в феврале) дo 8,6 ppm (в августе). Наибольшие количества H2S найдены в местах выгрузки привозимых отходов. Выделение H2S из верхнего слоя отходов меняется в течение дня и в разное время года. Наибольшее влияние на выделение H2S оказывает температура воздуха. Зависимости между количеством выбрасываемого H2S и относительной влажностью или давлением воздуха не установлено.

scholarly journals Spatial variability of enthalpy and illuminance in free-range broiler sheds

2021 ◽  
Vol 25 (5) ◽  
pp. 340-344
Author(s):  
Amélia C. Faustino ◽  
Silvia H. N. Turco ◽  
René G. C. Silva Junior ◽  
Isadora B. Miranda ◽  
Italo E. Anjos ◽  
...  
Keyword(s):  
Experimental Design ◽  
Spatial Variability ◽  
Air Temperature ◽  
Spatial Dependence ◽  
Thermal Environment ◽  
The Other ◽  
Air Humidity ◽  
Free Range ◽  
Relative Air Humidity ◽  
Clay Tile

ABSTRACT Free-range broiler producers are concerned with the thermal environment and lighting of their facilities and seek to improve these factors for the increased welfare of their broilers. The objective of this study was to evaluate the spatialization of illuminance and enthalpy in two free-range broiler sheds, one of masonry with a clay tile roof and the other built of wood with a straw roof. The data on air temperature, relative air humidity, and illuminance were recorded between September and October 2018 for five non-consecutive weeks in two periods during the day: morning (9 hours) and afternoon (15 hours). The data were collected at 42 points per shed, spaced 0.40 × 0.75 m. The experimental design was completely randomized in a 2 × 2 factorial scheme, considering two periods and two sheds. Spatial dependence was evaluated using geostatistics and interpolation maps by kriging. The facilities presented strong or moderate spatial dependence for all observed variables and periods. The small edges and lack of management of curtains resulted in the masonry shed having higher illuminance values during both periods. Although it did not present ideal values for a comfortable environment, the wood shed was more thermally efficient.

scholarly journals Influence of Temperature‑Humidity Relations During Years on Milk Production and Quality

2017 ◽  
Vol 65 (1) ◽  
pp. 211-218 ◽  
Author(s):  
Renáta Toušová ◽  
Jaromír Ducháček ◽  
Luděk Stádník ◽  
Martin Ptáček ◽  
Sylvana Pokorná
Keyword(s):  
Protein Content ◽  
Milk Production ◽  
Air Temperature ◽  
Somatic Cells ◽  
Climatic Conditions ◽  
Holstein Cows ◽  
Air Humidity ◽  
Relative Air Humidity ◽  
Daily Milk Production ◽  
Daily Milk

The aim of this study was to evaluate influence of climatic conditions represented by daily air temperature and relative air humidity on indicators of Holstein cows’ milk quality and production. The first dataset represented individual milk production in day of milk performance recording (milk kg, fat %, protein %, and somatic cells count thous.*ml−1). The second dataset represented total daily milk characteristics of herd (milk kg, fat %, protein % and somatic cells count thous.*ml−1). A total of 654 Holstein cows were observed and evaluated. Both datasets were evaluated in relation to selected external influences (year, month, average daily air temperature, and average daily relatively air humidity). Statistical analysis was performed using SAS 9.3, and UNIVARIATE, REG and GLM procedure. Three groups of daily air temeperature (< 4.4 °C; 4.4 – 13.2 °C; > 13.2 °C), and daily relative air humidity (< 65.3 %; 65.3 – 80.4 %; > 80.4 %) were conducted for evaluation. Significant (P < 0.05) linear regressions were computed among daily air temperature and all milk production indicators, except of somatic cells count attribute. The highest individual daily milk production (35.94 kg, P < 0.01), and protein content (3.41 %, P < 0.01) were achieved with the highest average daily air temperature. Opposite results were observed for milk yield of herd as well as protein content. Average daily relative air humidity had lower influence on individual and bulk milk samples. The better results were achieved for both datasets (individual and bulk samples) in groups (65.3 – 80.4 %; > 80.4 %) of average daily relative air humidity. Obtained results point out importance of outdoor climatic parameters monitoring and preventive measures of climatic conditions in the stable.

scholarly journals NEAPŠILTINTOS KARVIDES OPTIMALUS TEMPERATŪRINIS‐DREGMES REŽIMAS

2006 ◽  
Vol 14 (2) ◽  
pp. 89-94 ◽  
Author(s):  
Bronius Kavolėlis ◽  
Rolandas Bleizgys
Keyword(s):  
Experimental Investigation ◽  
Water Vapour ◽  
Air Temperature ◽  
Ventilation System ◽  
Internal Surface ◽  
Cold Period ◽  
Air Humidity ◽  
Relative Air Humidity

The objective of the work is to substantiate the optimum values of temperature‐humidity regime in cowsheds which are required in designing and exploiting a ventilation system. An equation, which connects relative air humidity of a room with difference between inside and outside air temperature, was developed. Another equation, which shows the greatest allowed difference of temperatures under which water vapour does not condensate on the internal surface of an external partition, was composed as well. By analytical and experimental investigation, it is substantiated that possible minimum relative air humidity in a cowshed is by about 5 % lower than relative outside air humidity. Optimal difference between inside and outside air temperature in the cold period of the year is about 4 °C.

Environmental Assessment of the Impact of Meteorological Parameters on Man-Made Pollution by Carcinogenicly Dangerous Chemicals in the Voronezh Air Basin

2021 ◽  
Vol 25 (2) ◽  
pp. 60-65
Author(s):  
S.A. Kurolap ◽  
V.S. Petrosyan ◽  
O.V. Klepikov ◽  
V.V. Kulnev ◽  
D.Yu. Martynov
Keyword(s):  
Wind Speed ◽  
Air Temperature ◽  
Meteorological Parameters ◽  
Carcinogenic Risk ◽  
Meteorological Conditions ◽  
Air Humidity ◽  
Maximum Permissible Level ◽  
Relative Air Humidity ◽  
The Impact ◽  
The City

Based on the analysis of official statistics from the Voronezh Hydrometeorological Service, the patterns of the dynamics of pollutants (formaldehyde and soot) are investigated depending on the combination of various meteorological parameters — air temperature, wind speed, relative air humidity. A positive relationship has been established between the increase in atmospheric pollution with formaldehyde and air temperature. With increasing wind speed and relative humidity, the concentration of formaldehyde and soot in the atmosphere of the city, as a rule, decrease. The maximum permissible level of carcinogenic risk to public health has been established, causing concern. The obtained patterns can be used to predict the level of technogenic pollution of the city’s atmosphere, depending on meteorological conditions.

The Experimental Research of Environmental Temperature and Humidity Control Index of Tobacco Shred Store Room

2012 ◽  
Vol 550-553 ◽  
pp. 1085-1089
Author(s):  
Yong Chao Jin ◽  
Zi Fu Liu ◽  
Jing Jing Song ◽  
Ying Lu
Keyword(s):  
Climate Change ◽  
Air Temperature ◽  
Experimental Research ◽  
Environmental Temperature ◽  
Humidity Control ◽  
Moisture Balance ◽  
Temperature And Humidity ◽  
Different Seasons ◽  
Temperature Time ◽  
Store Room

The climate change of different seasons brings significant effects to the air temperature and humidity of tobacco shred store room, leads fluctuations of moisture rate of stored tobacco shred and easily leads to the unsteady of products qualities as well as wastages. With the experimental research of environmental temperature and humidity changes of tobacco shred store room and producing wastages, analysis the data of temperature, time and moisture changes of stored tobacco shred and producing wastages, and demonstrates that, when the environmental temperature and humidity control index of stored tobacco shred is at 26~30°C/60~68%RH, it is good for the alcoholization of tobacco shred and stability of moisture balance, and reduce the online wastages on the certain degree.

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