The function of opioid receptors on hypophagia induced by ICV injection of Histamine in broiler chickens

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Jafari Anari M.; ZENDEHDEL M.; GILANPOUR H.; ASGHARI A.; BABAPOUR V.

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Journal: Veterinary Research & Biological Products Year:2021 | Volume:34 | Issue:1 (130) Page(s): 94-101

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Title

The function of opioid receptors on hypophagia induced by ICV injection of Histamine in broiler chickens

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Keywords

BroilerQ1

Central regulationQ2

Feed intakeQ1

HistamineQ1

Opioid receptorQ2

Abstract

This study was aimed to investigate the function of opioidergic receptors on mediating the role Histamine on central control of Broiler Feed intake. In this research, the role of mu, kappa and delta receptors of opioids on hypophagia induced by ICV injection of Histamine was investigated in three separate experiments. In each experiment, 48 Ross 308 5-day Broilers were randomly divided into 4 groups (12 birds per group) and the birds were given one of the four experimental treatments by ICV injection after 3 hours of feed deprivation. Experimental groups included of 1) normal saline (control), 2) 300 nmol Histamine 3) 5 μ g Opioid receptor antagonist (mu receptor antagonist in the first experiment, kappa in the second experiment and delta in the third experiment) and 4) co-injection of Histamine (300 nmol) and Opioid receptor antagonist (5 μ g). The cumulative intake of feed was measured after injection at 30, 60, and 120 minutes. Results showed that Histamine injection in all three experiments reduced Feed intake. Co-administration of the mu Opioid receptor antagonist and Histamine reduced the hypophagic effects of Histamine and increased Feed intake. However, Histamine and kappa or delta receptor antagonists co-administered did not increase the intake of Histamine-induced feed. Overall, the results of this study show that the mu Opioid receptor mediates at least part of the Histamine-induced hypophagic effect in Broilers, while kappa and delta Opioid receptors have no significant effect.

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APA: Copy

Jafari Anari, M., ZENDEHDEL, M., GILANPOUR, H., ASGHARI, A., & BABAPOUR, V.. (2021). The function of opioid receptors on hypophagia induced by ICV injection of Histamine in broiler chickens. VETERINARY RESEARCHES BIOLOGICAL PRODUCTS (PAJOUHESH-VA-SAZANDEGI), 34(1 (130) ), 94-101. SID. https://sid.ir/paper/395409/en

Vancouver: Copy

Jafari Anari M., ZENDEHDEL M., GILANPOUR H., ASGHARI A., BABAPOUR V.. The function of opioid receptors on hypophagia induced by ICV injection of Histamine in broiler chickens. VETERINARY RESEARCHES BIOLOGICAL PRODUCTS (PAJOUHESH-VA-SAZANDEGI)[Internet]. 2021;34(1 (130) ):94-101. Available from: https://sid.ir/paper/395409/en

IEEE: Copy

M. Jafari Anari, M. ZENDEHDEL, H. GILANPOUR, A. ASGHARI, and V. BABAPOUR, “The function of opioid receptors on hypophagia induced by ICV injection of Histamine in broiler chickens,” VETERINARY RESEARCHES BIOLOGICAL PRODUCTS (PAJOUHESH-VA-SAZANDEGI), vol. 34, no. 1 (130) , pp. 94–101, 2021, [Online]. Available: https://sid.ir/paper/395409/en

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