Adaptative thermal traits in farm animals

Luz, Carlos Syllas Monteiro; Fonseca, Wéverton José Lima; Vogado, Gleissa Mayone Silva; Fonseca, Wéverson Lima; Oliveira, Marcelo Richelly Alves de; Sousa, Gioto Ghiarone Terto e; Farias, Leonardo Atta; Júnior, Severino Cavalcante de Sousa

doi:10.14269/2318-1265/jabb.v4n1p6-11

Cited by 11 publications

(9 citation statements)

References 8 publications

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“…When the environmental temperature rises above the upper limit of the thermoneutral zone, the animal has to invest energy to keep its body temperature constant [7,26]; for example, by sweating, peripheral vasodilation, and by increasing the respiratory rate [7,26]. However, it is not clear from what point welfare is compromised.…”

Section: Environmental Parametersmentioning

confidence: 99%

“…However, from those studies it is clear that a number of transport-related factors influence horse welfare. Journey distance and time [20,21], loading density [7,15,22,23], handling [7,24,25], new environments [24], potentially re-grouping or mixing with unfamiliar animals [24], fasting and deprivation of water [24], the myriad of trailer designs [7,23], driving behaviour [7], road type and quality [7,22,24], traffic conditions [24], suspension systems and building materials of the trailers [15,23], environmental conditions in the trailer [7,22], and weather conditions [15,23,26] all affect horse welfare.…”

Section: Introductionmentioning

confidence: 99%

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Horse Transport to Three South American Horse Slaughterhouses: A Descriptive Study

Nivelle

Vermeulen²,

Beirendonck

et al. 2020

Animals

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Between November 2016 and October 2017, 23 horse transports from 18 collection points to two slaughterhouses in Argentina and one in Uruguay were monitored. The goal of this study was to characterize the current practices in commercial horse transports and to detect potential threats to horse welfare. A total of 596 horses were transported over an average distance of 295 ± 250 km. Average transport duration was 294 ± 153 min. The infrastructure did not always promote smooth loading, but the amount of horses that refused to enter the trailers was limited. In each loading space, a camera was mounted to observe horse behaviour during the journey. Ambient temperature and relative humidity (RH) were recorded every five minutes in each loading space. In 14 of the 23 transports, the maximum temperature rose above 25 °C and the average temperature was over 25 °C during six transports. The average temperature humidity index (THI) exceeded 72 during six transports. The average stocking density was 1.40 ± 0.33 m2 per horse, or 308 ± 53 kg/m2. The degree of aggression differed between the front and rear loading space. Stocking density, environmental parameters, trailer characteristics, and transport duration and distance did not influence aggressiveness.

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Section: Environmental Parametersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Horse Transport to Three South American Horse Slaughterhouses: A Descriptive Study

Nivelle

Vermeulen²,

Beirendonck

et al. 2020

Animals

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“…LUZ et al (2015) state that in heat stress situations animals resort to thermolysis through evaporation; in the case of swine, through increasing respiratory frequency. However, such physiological adjustment can have its efficiency compromised in environments whose relative air Acoustic environment and gas production in different growing-finishing swine facilities Eng.…”

Section: Floor ---------------------Gases (Ppm)---------------------mentioning

confidence: 99%

Acoustic Environment and Gas Production in Different Growing-Finishing Swine Facilities

et al. 2016

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This study aimed to evaluate gas levels and the acoustic environment (noise) of growing-finishing swine in different facilities, one composed of shallow pool (SP) and another of partially slatted floor (PSF). Sensors and a sound level meter were used to measure gas concentrations (CO2 and NH3) and noise at 1.50 meters above the ground and at animal height. Data on gas concentrations and noise levels were measured at 9am, 12pm, and 3 pm. Results showed differences (P<0.05) between noise levels at animal height and gas concentrations measured in relation to stall type and data collection time. The highest noise values were found in the shallow pool stall, measured at animal level. The highest NH3 (13 ppm) and CO2 (1174.5 ppm) values were observed in the shallow pool stall at 3pm. The stall floor with shallow pool seems to provide greater welfare in relation to noise level for growing-finishing swine.

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“…At high ambient temperatures, pig performance is considerably affected (Kiefer et al 2009, Rocha et al 2012. According to Luz et al (2016), in situations of thermal stress, the animals resort to thermolysis via evaporation. In the case of pigs, this regulation is indicated by increasing the respiratory rate (Manno et al 2006).…”

Section: Introductionmentioning

confidence: 99%

Thermal environment in growing and finishing pig facilities of different building typologies

Cecchin

Cruz

Campos

et al. 2017

JABB

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Adaptative thermal traits in farm animals

Cited by 11 publications

References 8 publications

Horse Transport to Three South American Horse Slaughterhouses: A Descriptive Study

Horse Transport to Three South American Horse Slaughterhouses: A Descriptive Study

Acoustic Environment and Gas Production in Different Growing-Finishing Swine Facilities

Thermal environment in growing and finishing pig facilities of different building typologies

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