Neutrophils stimulation index in people under consumption of broiler chickens meat at pre-slaughter stress correction

  • S. Grabovskyi Lviv National University of Veterinary Medicine and Biotechnologies named after S.Z. Gzhytskyj
  • O. Grabovska Institute of Animal Biology of NAAS
Keywords: natural resistance, spleen extract, broiler chickens, polyamines, pre-slaughter stress


The data about changes in neutrophils stimulation index in men blood after consumption of broiler chicken meat with the natural origin immunomodulators, introduced in feed before slaughter, is presented in this paper. Spleen extract biologically active substances were used as immunomodulators and anti-stressors during pre-slaughter period. Biologically active substances influence on putrescin, spermine and spermidine content in broiler chicken blood before slaughter and on some non-specific resistance indices in people was determined after consumption of broiler chicken meat. Two groups of broiler chickens at one month age were formed for the study. The spleen extract obtained with ultrasound application (I research group) served as biologically active substances was added to the feed of broiler chickens in pre-slaughter period (five days before slaughter). Blood polyamines such as putrescin, spermine and spermidine were determined by the method of High-performance liquid chromatography (HPLC) on the liquid chromatograph Agilent 1200 (USA). The second experiment was conducted on 10 people. We recruited 10 healthy male medical students (20 years old, on average) after the National Medical license examination. Spleen extract polyamines as immunomodulators and anti-stressors have the most effective influence on total quantity of polyamines in broiler chicken blood. As a result of research, it is found that aerosol introduction of spleen extract into broiler chicken feed reliably increases total quantity of polyamines by 39% and, in particular, spermidine concentration by 34%, and spermine by 40% compared with broiler chickens of the control group. Some non-specific body resistance indices in men blood upon consumption of broiler chicken meat varied within the physiological norm. The neutrophils stimulation index increased in men blood (+0,82) after consumption of meat of broiler chickens to which spleen extract as immunomodulator and anti-stressor was introduced before slaughter (experimental group). The neutrophils stimulation index decreased in men blood (–2,21) after consumption of broiler chickens meat at pre-slaughter stress (control group). The neutrophils stimulation index in men blood of experimental and control groups differed by 34,8%, but did not go beyond the physiological norm. At the final stage of poultry feeding it is necessary to consider pre-slaughter stress and to apply biologically active substances of natural origin, such as spleen extract. The results obtained in the experiment on broiler chickens can be used in studies of non-specific resistance indices of the farm animals for increasing the organism resistance, correction and avoiding of pre-slaughter stress and improvement of product quality


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How to Cite
Grabovskyi, S., & Grabovska, O. (2015). Neutrophils stimulation index in people under consumption of broiler chickens meat at pre-slaughter stress correction. Regulatory Mechanisms in Biosystems, 6(2), 165-168.