Parameters of Physiological Responses and Meat Quality in Poultry Subjected to Transport Stress

Qi, Jing; Zhang, Yaru; Zhou, Zixiong; Habiba, Umma

doi:10.4172/2167-1168.1000175

Cited by 7 publications

(6 citation statements)

References 45 publications

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“…Stress can be described as responses elicited by an animal in a bid to adapt or protect itself from the adverse effects of stressors [1]. Physiological stress in animals can be caused by extreme temperature (heat or cold), overcrowding or high stocking density, starvation (feed and/or water deprivation or withdrawal), and harmful handling such as restraint, noise, and transportation.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the hematological and clinical biochemical markers of stress in broiler chickens

2020

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Background and Aim: Stress significantly affects health and productivity of animals. There is need for affordable and easy-to-assay markers of physiological stress in broilers. This study evaluated hematological and serum biochemical markers of physiologic stress in broiler chickens. Materials and Methods: Thirty day-old broiler chickens were assigned to three groups of ten broilers each during the 56-day study. Group 1 broilers served as the control and were not exposed to any stressors; Group 2 broilers were stocked at the stress density of 50 kg BW m–2 from day 49 to 56 while Group 3 broilers had their feed withdrawn 36 h before blood collection on day 56. Blood samples were collected on day 49 (pre-stress sample) and day 56 (post-stress sample) from all the birds and subjected to hematological and serum biochemical analysis. Results: The parameters did not vary significantly (p>0.05) pre-stress. Post-stress, there were significant variations in the heterophil, lymphocyte, and eosinophil counts and in the heterophil to lymphocyte ratio across the three groups. The concentrations of the plasma fibrinogen and serum albumins, sodium, and sodium to potassium ratio of the broilers varied significantly across the groups. Conclusion: Heterophil, eosinophil, and lymphocyte counts, the heterophil to lymphocyte ratio, plasma fibrinogen, serum albumin, sodium, and sodium to potassium ratio are significant markers of physiological stress in broilers.

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Section: Introductionmentioning

confidence: 99%

Evaluation of the hematological and clinical biochemical markers of stress in broiler chickens

2020

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“…In broiler, heat stress has always been a point of concern for the producers, but considerable data reveals that the cold stress is equally detrimental for the health and welfare of poultry (Aarif et al, 2013;Phuong et al, 2016). Transportation at low environmental temperature can cause hypothermia and can affect performance and welfare of broilers (Warriss et al, 2005;Qi et al, 2017). The cold stress has been reported to activate the hypothalamic-pituitarythyroid axis of the bird and increases corticosterone and cortisol concentration (Aarif et al, 2013;Slota et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Effect of Broiler Crating Density and Transportation Distance on Preslaughter Losses and Physiological Response During the Winter Season in Punjab, Pakistan

Hussnain

Mahmud

Mehmood

et al. 2020

Braz. J. Poult. Sci.

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A study was conducted to determine the impact of crating density and transportation distance on losses and physiological response of broilers during the winter season. For this, ROSS-308 broilers were crated at three densities (i.e., 10, 12, and 15 birds/crate) in plastic crates and transported in three distances (i.e., 80, 160, and 240 km) during the winter season at 3.6-9.5ºC temperature and 63.3-78.8% relative humidity. Results showed that body weight loss increased significantly with the increase in transportation distance and decrease in crating density, whereas dead on arrival, physical injuries and bruises were not different among different transportation distance and crating density treatments. Significant reduction in carcass and breast yield was observed with the increase in transportation distance, whereas an increase in crating density above 12 birds per crate increased breast yield. Birds transported for 240 km had the highest serum catalase activity and the lowest rectal body temperature compared to other treatments. A gradual increase in crating density resulted in the increase in thyroxine concentration and reduction in rectal temperature. Serum glucose, albumin and uric acid concertation increased significantly after 160km of transportation, but serum triglyceride contents decreased. Moreover, an increase in crating density also increased serum glucose and triglyceride. Results suggested that longer transportation distance during the winter season increased body weight shrinkage with a reduction in carcass and breast yield, and the impact of losses and stress was greater in treatments having a lower number of birds in crates.

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“…yang diamati dalam penelitian ini adalah sebagai berikut: (Jayaprakash et al, 2016;Tamzil et al, 2016;Qi et al, 2017).…”

Section: Peubah Yang Diamati Peubahunclassified

Changes of Body Temperature and Body Weight of Broiler Chickens Transported from Farmers to Slaughterhouses at Different Times

Tamzil,

Indarsih,

Haryani

et al. 2022

JITPI

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The aim of the study was to determine the effect of the time of chicken transport from farmers to slaughterhouses on changes in body temperature and body weight of broiler chickens. The study used a completely randomized design (CRD) with a 3 x 2 factorial pattern (3 times of transportation and 2 times of measurement). The first factor is the time of transportation, consisting of morning, afternoon, and evening. The second factor is the time of measurement, namely before and after transportation. The study used 300 female broiler chickens aged 32-37 days. Each transport time was repeated 10 times (every day for 10 days), meaning in each replication 10 broilers were used. Variables observed were ambient temperature, body temperature and body weight before and after transportation. Measurement time and transportation time were found to affect body temperature (P<0.05), but did not affect body weight (P>0.05). There was no correlation between measurement time and transportation time (P>0.05). It is recommended to transport chickens from the farmer to the slaughterhouse in the morning.

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Parameters of Physiological Responses and Meat Quality in Poultry Subjected to Transport Stress

Cited by 7 publications

References 45 publications

Evaluation of the hematological and clinical biochemical markers of stress in broiler chickens

Evaluation of the hematological and clinical biochemical markers of stress in broiler chickens

Effect of Broiler Crating Density and Transportation Distance on Preslaughter Losses and Physiological Response During the Winter Season in Punjab, Pakistan

Changes of Body Temperature and Body Weight of Broiler Chickens Transported from Farmers to Slaughterhouses at Different Times

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