Effects of feather processing methods on quantity of extracted
                    corticosterone in broiler chickens

Ataallahi, Mohammad; Lee, Hong Gu; Song, Jun-Ik; Park, Kyu Hyun

doi:10.5187/jast.2020.62.6.884

Cited by 13 publications

(19 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The primary flight feathers were collected and stored at −80°C before analysis. Feather CORT concentrations were analyzed using the method of Bortolotti et al [ 22 ] with a minor modification [ 23 ]. In short, feathers without calamus were minced into pieces of < 5 mm 2 by scissors.…”

Section: Methodsmentioning

confidence: 99%

Effects of stocking density and dietary vitamin C on performance, meat quality, intestinal permeability, and stress indicators in broiler chickens

Yu¹,

Namgung²,

Kim³

et al. 2021

J Anim Sci Technol

View full text Add to dashboard Cite

show abstract

Section: Methodsmentioning

confidence: 99%

Effects of stocking density and dietary vitamin C on performance, meat quality, intestinal permeability, and stress indicators in broiler chickens

Yu¹,

Namgung²,

Kim³

et al. 2021

J Anim Sci Technol

View full text Add to dashboard Cite

show abstract

“…The CORT extraction technique could also affect feather CORT concentration yield. Feathers were minced with scissors into pieces smaller than 2 mm for extraction method this process may not effectively disrupt the feather matrix enough for precise measurement ( Ataallahi et al., 2020 ). There are other reports of the inadequacy of using feather CORT as a biomarker of avian stress reported in an avian wildlife study ( Harris et al., 2017 ).…”

Section: Discussionmentioning

confidence: 99%

Impact of experimentally induced bacterial chondronecrosis with osteomyelitis (BCO) lameness on health, stress, and leg health parameters in broilers

et al. 2021

View full text Add to dashboard Cite

Stress and lameness negatively affect the health, production, and welfare of broilers. Bacterial chondronecrosis with osteomyelitis ( BCO ) is a leading cause of stress and lameness in commercial broilers. External changes in skin temperature related to changes in blood flow can be detected with infrared thermography ( IRT ), offering a noninvasive tool to assess the health of animals. This study compared physiological and noninvasive measures of stress and lameness in clinically healthy and lame male broiler chickens between 25 and 56 d. Birds were raised in pens within separate environmental chambers containing either litter flooring (sound) or wire flooring, with the latter established to induce BCO lameness (lame). Physiological and noninvasive measures of stress and lameness were collected: body weight, ( BW ), relative bursa weight, core body temperature, corticosterone ( CORT ) concentrations in serum and feathers, surface temperatures of the head (eye and beak) and leg (hock, shank, and foot) regions by infrared thermography ( IRT ), leg blood oxygen saturation ( leg O 2 ), and BCO lesion severity scores of tibial head necrosis ( THN ) and femoral head necrosis ( FHN ). Lame birds exhibited greater FHN and THN lesion severities, core body temperatures, and serum CORT ( P < 0.05), but had lower BW, relative bursa weight, leg O 2 , and IRT surface temperatures of the beak, hock, shank, and foot compared with sound birds ( P < 0.05). The difference in THN lesion severity between sound and lame birds decreased with age. Linear relationships between leg O 2 with IRT leg surface temperatures were positive and negative between leg O 2 with BCO lesion severity ( P < 0.05). There were negative correlations between serum CORT with hock, shank and foot temperatures ( P < 0.001), indicating that BCO is stressful. These results indicate that birds lame from BCO are stressed, have reduced oxygen saturation of blood in their legs, and that IRT surface temperatures can be used as noninvasive indicators of stress and lameness in broilers.

show abstract

“…Acute Mouse Blood [37], saliva [37] Broiler chicken Blood [38] Chronic Mouse Hair [39] Broiler chicken Feathers [40,41] https://doi.org/10.5187/jast.2022.e38…”

Section: Stress Type Species Biomatricesmentioning

confidence: 99%

“…Like hair, feathers form a keratinized biomatrix. Previous studies have validated the measurement of stress biomarkers in feathers [35,40]. Bortolotti et al [86,97] tracked long-term HPA axis activity in birds by measuring the corticosterone concentration in feathers.…”

Section: Feathersmentioning

confidence: 99%

Selection of appropriate biomatrices for studies of chronic stress in animals: a review

Ataallahi¹,

Lee²,

Park³

2022

J Anim Sci Technol

Self Cite

View full text Add to dashboard Cite

Cortisol and corticosterone, hormones traditionally considered biomarkers of stress, can be measured in fluid biomatrices (e.g., blood, saliva) from live animals to evaluate conditions at sampling time, or in solid biomatrices (e.g., hair, feather) from live or dead animals to obtain information regarding long-term changes. Using these biomarkers to evaluate physiological stress responses in domestic animals may be challenging due to the diverse characteristics of biomatrices for potential measurement. Ideally, a single measurement from the biomatrix should be sufficient for evaluating chronic stress. The availability of appropriate and cost-effective immunoassay methods for detecting the biomarkers should also be considered. This review discusses the strengths and limitations of different biomatrices with regard to ensuring the highest possible reliability for chronic stress evaluation. Overall, solid biomatrices require less frequent sampling than other biomatrices, resulting in greater time-and cost-effectiveness, greater ease of use, and fewer errors. The multiplex immunoassay can be used to analyze interactions and correlations between cortisol and other stress biomarkers in the same biomatrix. In light of the lack of information regarding appropriate biomatrices for measuring chronic stress, this review may help investigators set experimental conditions or design biological research.

show abstract

Effects of feather processing methods on quantity of extracted corticosterone in broiler chickens

Cited by 13 publications

References 26 publications

Effects of stocking density and dietary vitamin C on performance, meat quality, intestinal permeability, and stress indicators in broiler chickens

Effects of stocking density and dietary vitamin C on performance, meat quality, intestinal permeability, and stress indicators in broiler chickens

Impact of experimentally induced bacterial chondronecrosis with osteomyelitis (BCO) lameness on health, stress, and leg health parameters in broilers

Selection of appropriate biomatrices for studies of chronic stress in animals: a review

Contact Info

Product

Resources

About