Tree shade improves the comfort of sheep during extreme summer

De, Kalyan; Sharma, Shreya; Kumawat, Pankaj; Kumar, Davendra; Mohapatra, Arpita; Sahoo, A.

doi:10.1016/j.jveb.2020.10.003

Cited by 13 publications

(9 citation statements)

References 23 publications

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“…Panting is a counter mechanism of animals in response to higher environment temperature (Ghassemi Nejad and Sung, 2017) and therefore panting is used to assess the heat stress of sheep (De et al, 2020). When the environmental temperature is higher than the core temperature, then the dissipation of body heat through convection and radiation is not su cient to maintain the heat load; at that situation, sheep compelled to start panting for immediate evaporative heat loss (De, Kumar, Saxena, et al, 2017a) which might be the plausible reason of higher panting in the exposure of higher environmental temperature.…”

Section: Discussionmentioning

confidence: 99%

“…Sheep rearing is a common occupation for the people residing in the arid and semi-semi-arid region and it serves as vital economic activity (Gowane et al, 2020) for the small and marginal farmers. The sheep are mostly managed without any input, depending on a completely grazing system (De et al, 2020) in available rangelands in this region.…”

Section: Introductionmentioning

confidence: 99%

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Effect of summer environment on growing lambs under hot semi-arid tropical region

Kumawat

Sharma

et al. 2022

Preprint

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Extended hot summer is a major constrain in animal production in the semi-arid tropical region. However, the adult native sheep is well-adapted to this climatic condition. Nonetheless, the adaptability of growing lambs in summer conditions is yet to be explored for sustainable sheep production. Therefore, the present study was carried out to assess the effect of summer environment on the growing lambs under hot semi-arid region. For this purpose, sixteen Malpura weaner lambs of 3-4 months of age were selected and equally distributed into two groups, viz. C and T. The lambs of T groups were kept inside the psychometric chamber in different temperature and humidity schedules simulated with the summer average temperature and humidity of the last 10-year of the semi-arid tropics. The lambs of C groups were kept inside the pen in a thermocomfort environment with the same space availability of T group lambs. The lambs of both the groups were provided with adlibitum feed and water. The water intake, respiration rate (RR), pulse rate (PR), rectal temperature (RT) and skin temperature of T group lamb was significantly (P<0.05) higher as compared to C group lambs. The summer exposure (T) reduced (P<0.01) the feeding and rumination time whereas increased (P<0.01) the panting in lambs as compared to C group. The endocrine profile did not varied (P>0.05) with the simulated summer exposure of semi-arid region in lambs. The present study reflected that the native Malpura growing lamb modifies their behavior and thermoregulatory responses to counter the extreme summer of the semi-arid region.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of summer environment on growing lambs under hot semi-arid tropical region

Kumawat

Sharma

et al. 2022

Preprint

Self Cite

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“…It is also necessary to evaluate their opportunities to engage in behaviors they find rewarding, including thermal comfort, positive social interactions, resting, and feeding behaviors (Mellor, 2016). Behavioral changes related to the presence of shaded areas have been shown both in intensive and extensive systems in several species, such as cattle, sheep, buffaloes, and horses, although previous studies mostly focused on the effect on productive traits (Schütz et al, 2010;Holcomb et al, 2015;Giro et al, 2019;De et al, 2020;Mishra, 2021). A roof was present in most of the pens at the market suggesting that caretakers are aware of the negative impact of heat stress on the productivity and well-being of the camels.…”

Section: Discussionmentioning

confidence: 99%

New animal-based measures to assess welfare in dromedary camels

Menchetti

Faye

Padalino

2021

Trop Anim Health Prod

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“…It is also necessary to evaluate their opportunities to engage in behaviours they nd rewarding, including thermal comfort, positive social interactions, resting and feeding behaviours (Mellor, 2016). Behavioural changes related to the presence of shaded areas have been shown both in intensive and extensive systems in several species, such as cattle, sheep, buffaloes, and horses, although previous studies mostly focused on the effect on productive traits (Schütz et al, 2010;Holcomb et al, 2015;Giro et al, 2019;De et al, 2020;Mishra, 2021). Our nding suggested that a shaded area of at least 7 m 2 per animal (our ample category) had bene cial effects on several aspects of the camel's welfare but further studies should de ne speci c recommendations according to the environmental heat load.…”

Section: Discussionmentioning

confidence: 99%

New Animal-Based Measures to Assess Welfare in Dromedary Camels

Menchetti

Faye

Padalino

2021

Preprint

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Reliable and measurable animal-based measures (ABMs) are essential for assessing animal welfare. This study aimed at proposing ABMs for dromedary camels identifying their possible associations with management. Data were collected at a permanent camel market; a total of 76 pens and 528 camels were evaluated. ABMs were collected for each welfare principle (i.e. Good feeding, Good housing, Good health, Appropriate behaviour), while resources or management-based measures were collected at three levels of investigations (Animal, Herd or Caretakers). Associations were calculated by Generalized Linear Models. Body Condition Score and Thirst index (ABMs of Good feeding) resulted negatively associated with short caretaker’s experience, dirty bedding, limited shaded space, feeding and water space, and space allowance (P<0.05). Resting behaviours and Restricted movements (ABMs of Good housing) were associated with short caretaker’s experience, dirty bedding and water, rationed water distribution, water points in the sun, and presence of hobbles (P<0.05). Disease, Injury, and Pain induced by management procedures (ABMs of Good health) were negatively associated with short caretaker’s experience, presence of hobbles, limited space allowance and shaded space, dirty bedding, and feeding and watering practices (e.g. frequency of distribution, resource quality, location of the troughs)(P<0.05). Response to Approaching test and Aggressivity (ABMs of Appropriate behaviour) were negatively associated with limited space allowance, shaded, feeding and water space, and rationed water distribution (P<0.05). Overall, the proposed ABMs seems to be appropriate indicators of welfare consequences in camels being able to identify factors related to housing and management practices that may impair or improve camel welfare.

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Tree shade improves the comfort of sheep during extreme summer

Cited by 13 publications

References 23 publications

Effect of summer environment on growing lambs under hot semi-arid tropical region

Effect of summer environment on growing lambs under hot semi-arid tropical region

New animal-based measures to assess welfare in dromedary camels

New Animal-Based Measures to Assess Welfare in Dromedary Camels

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