Effect of heat stress on blood parameters in indigenous sheep

Rana, Md. Masud; Hashem,; sakib, Mohammed Nazmus; Kumar, Arvind

doi:10.3329/jbau.v12i1.21253

Cited by 32 publications

(26 citation statements)

References 6 publications

(5 reference statements)

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“…Further, body length (BL) did not show significant variation between both heat stress and control group. Our results coincided with the reports of Rana, Hashem, Sakib, and Kumar () who established a non‐significant influence of heat stress on the BL of indigenous Bangladesh sheep. The, HG did not varied significantly among both the control and heat stress groups.…”

Section: Discussionsupporting

confidence: 92%

“…The, HG did not varied significantly among both the control and heat stress groups. Similar results of non‐significant influence of heat stress on HG were also established in Bengal goats (Hashem, Hossain, Rana, Islam, & Saha, ) and native Bangladesh sheep (Rana et al., ). This non‐significant difference in HG could be attributed to the adaptive capability of indigenous goats to heat stress conditions.…”

Section: Discussionsupporting

confidence: 70%

“…native Bangladesh sheep (Rana et al, 2014). This non-significant difference in HG could be attributed to the adaptive capability of indigenous goats to heat stress conditions.…”

Section: Discussionmentioning

confidence: 91%

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Comparative assessment of growth performance of three different indigenous goat breeds exposed to summer heat stress

Pragna

Sejian

Bagath

et al. 2018

Animal Physiology Nutrition

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A study was conducted to assess comparatively the growth performance of three different indigenous goat breeds during exposure to summer heat stress. The primary objective of the study was to observe the heat stress impact on the growth performance based on the body weight changes, allometric measurements, growth hormone (GH) concentration and peripheral blood mononuclear cell (PBMC) Insulin-like growth factor-1 (IGF-1) mRNA expression pattern during the summer season in comparison with the local breed (Osmanabadi). Thirty-six ten-month- to one-year-old female goats of Osmanabadi, Malabari and Salem Black breeds were randomly divided into six groups, OC (n = 6; Osmanabadi control), OHS (n = 6; Osmanabadi heat stress), MC (n = 6; Malabari control), MHS (n = 6; Malabari heat stress), SBC (n = 6; Salem Black control) and SBHS (n = 6; Salem Black heat stress). Body weight was recorded at weekly intervals, whereas other growth and allometric measurements and blood collection were carried out at fortnightly intervals. Breed factor significantly (p < .05) influenced only few growth variables such as body weight, body mass index (BMI) and body condition score (BCS). However, heat stress treatment significantly (p < .05) reduced all growth parameters expect BMI. Further, the heat stress significantly (p < .01) increased plasma GH concentration in goats with significantly higher (p < .05) concentration recorded in OHS. Among the stress groups, the lower (p < .05) PBMC IGF-1 mRNA expression was recorded in OHS, while the higher (p < .05) expression was observed in SBHS indicating the extreme adaptive capability of Salem Black breed. Thus, the results indicated that the Salem Black breed performed much better compared to both Osmanabadi and Malabari breeds indicating the superior ability of this breed to adapt to heat stress challenges. The results also indicated that plasma GH and IGF-1 gene may act as ideal biomarkers for assessing the heat stress impact on growth performance in indigenous goats.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionsupporting

confidence: 70%

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Comparative assessment of growth performance of three different indigenous goat breeds exposed to summer heat stress

Pragna

Sejian

Bagath

et al. 2018

Animal Physiology Nutrition

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“…Indeed, we observed a concomitant increase in Hb and CP in HS buffalo, consistent with a previous study [54]. including sheep, goats, piglets, ruminants (Holsteins, Jerseys, and Zebus), and tilapia [83][84][85][86][87][88].…”

Section: Discussionsupporting

confidence: 91%

System-level Insights into the Adaptation of Domestic Dairy Buffalo to Chronic Heat Stress

Gu¹,

Tang²,

Fu³

et al. 2019

Preprint

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Chronic heat stress (HS), aggravated by global warming, reduces the production efficiency of the buffalo dairy industry. Here, we conducted a proteomic analysis to investigate the adaptation strategies used by buffalo in response to heat stress. Seventeen differentially abundant proteins with known functions were detected using label-free quantification (LFQ), and five of these differentially expressed proteins were validated with parallel reaction monitoring (PRM). These five proteins were associated with various aspects of heat stress, including decreased heat production, increased blood oxygen delivery, and enhanced natural disease resistance. Lipase (LPL), glutathione peroxidase 3 (GPX3), cathelicidin-2 (CATHL2, LL-37), ceruloplasmin (CP), and hemoglobin subunit alpha 1 (HBA1) were shown to play cooperative roles in the tolerance of chronic HS in dairy buffalo. We found that high levels of HBA1 increased blood oxygen transport capacity. Our results increase our understanding of the adaptation of dairy buffalo to chronic heat stress.

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“…High ambient temperature can be a limiting environmental factor to the productive utilization of exotic dairy cattle breeds and their crosses in the tropics. The high environmental temperatures expressed as thermal stress cause reduced feed intake and impaired metabolism, which consequently translate to low milk yield, and suboptimal fertility and health performances (Abdelatif & Alameen, 2012;Rana et al, 2014). As homeotherms, dairy cattle have thermal comfort zones, within which they maintain homeothermy and above which they become exposed to thermal stress.…”

Section: Introductionmentioning

confidence: 99%

Application of the climate analogue concept in assessing the probable physiological and haematological responses of Friesian cattle to changing and variable climate in the Kenyan Highlands

Wangui¹,

Bebe²,

Ondiek³

et al. 2018

SA J. An. Sci.

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Friesian cattle are considered the most sensitive to climate change-induced thermal stress and remain the major dairy breed in Kenya. This study applied the climate analogue concept to predict probable physiological and haematological responses of Friesian cattle in the 2050s to understand their adaptability to a changing and variable climate. Njoro in the Kenya Rift Valley Highlands was used as the reference site and its 2050s climate analogue site was identified in Shawa, based on criteria of a similarity index of 0.8-0.9. Results suggest that Njoro in the 2050s will likely experience increasing temperatures, but changes in rainfall are uncertain. The increasing temperatures will probably be accompanied by mild thermal stress for Friesian cattle during the dry seasons or drought. The thermal humidity index differed between times of day, but not between the analogue sites. Except for rectal temperatures, the physiological and haematological responses differed between the analogue sites, but were within the normal ranges. It is concluded that Friesian cattle in Njoro in the 2050s will probably experience mild thermal stress in the afternoons during the dry seasons, expressed by slight increases in physiological and haematological responses, but will probably remain within the normal margins.

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Effect of heat stress on blood parameters in indigenous sheep

Cited by 32 publications

References 6 publications

Comparative assessment of growth performance of three different indigenous goat breeds exposed to summer heat stress

Comparative assessment of growth performance of three different indigenous goat breeds exposed to summer heat stress

System-level Insights into the Adaptation of Domestic Dairy Buffalo to Chronic Heat Stress

Application of the climate analogue concept in assessing the probable physiological and haematological responses of Friesian cattle to changing and variable climate in the Kenyan Highlands

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