The Effects of Sodium Humate and Aflatoxin B1 on Body Weight of Broiler Chicks
محورهای موضوعی : Camel
م. اسکالیکا
1
(
Institute of Nutrition, Dietetics and Feed Production, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovak Republic
)
ب. کورنکووا
2
(
Department of Hygiene and Food Industry Technology, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovak Republic
)
کلید واژه: broilers, alkaline phosphatase, Aflatoxin B1, body weight of broilers, sodium humate,
چکیده مقاله :
The objective of this study was to investigate the protective effect of dietary natural sorbent-sodium humate (HuNa) on the prevention of aflatoxin B1 (AFB1) toxicity in the broiler chicken. Seventy-two (72) broiler hybrid Hybro birds were randomly divided into 4 groups: control group (G1) and 3 experimental groups (G2-G4) with addition of HuNa (G2); only AFB1 (G3) and HuNa; and AFB1 (G4). HuNa was added to a complete feed mixture daily for broiler chicks (1 g HuNa/100 g feed mixture) and AFB1 at the concentration of 25 mg.kg-1 of b.w. Parameters evaluated were body weight and serum levels of alkaline phosphatase (ALP). AFB1 and HuNa were applied for broilers from 28 days of age. Statistically significant decrease activity of ALP (P≤0.05) was recorded in group G3 of broilers from day 42 and 56 of age onwards in comparison to group G1. However, statistically increased activity of ALP (P≤0.05) was observed in group G4 in comparison to control group G1. The body weight of broilers was lower by about 180 g after exposure to AFB1 (G3) compared to control (G1). Also, the addition of HuNa increased the body weight of broilers by about 26.67 g at the end of the experiment in comparison to control group. Statistically significant increase (P≤0.001) in body weight was recorded for group G3 and G4 on 56th day of age, compared to 28 days. The results of our experiment showed that HuNa has a positive effect on the growth of broilers. And it could have been a suitable natural supplement for growing broilers against the adverse effects of aflatoxins.
هدف از این مطالعه بررسی اثر محافظتی کود طبیعی جاذب سدیم (HuNa) در جیره بر پیشگیری از اثر سمیت آفلاتوکسین B1 (AFB1) در جوجههای گوشتی بود. 72 جوجه گوشتی آمیخته هایبرو به صورت تصادفی در 4 گروه تقسیم شدند: گروه کنترل (G1) و سه گروه آزمایشی (G2 تا G4) با افزودن HuNa (G2)، تنها AFB1 (G3) و HuNa و AFB1 (G4). HuNa به مخلوط خوراک کامل برای جوجهها افزوده شد (با نسبت 1 گرم HuNa در هر 100 گرم مخلوط خوراک). AFB1 نیز با غلظت 25 میکروگرم در هر کیلوگرم وزن بدن افزوده گردید. پارامترهای ارزیابی شده عبارت از وزن بدن و سطوح سرمی آلکالین فسفاتاز (ALP) بود. AFB1 و HuNa برای جوجههای گوشتی از 28 روزگی به کار گرفته شدند. کاهش معنیدار آماری در فعالیت ALP (05/0>P) در گروه G3 در مقایسه با گروه G1 جوجههای گوشتی از 42 تا 56 روزگی به بعد مشاهده شد. ولی افزایش معنیدار آماری در فعالیت ALP (05/0>P) در گروه G4 در مقایسه با گروه G1 مشاهده گردید. وزن بدن جوجههای گوشتی پس از قرار گرفتن در معرض AFB1 (G3) در مقایسه با شاهد (G1) حدود 180 گرم پایینتر بود. همچنین افزودن HuNa سبب افزایش وزن بدن جوجههای گوشتی تا حدود 67/26 گرم در انتهای آزمایش در مقایسه با گروه شاهد گردید. افزایش معنیدار آماری (05/0>P) در وزن بدن برای گروه G3 و G4 در سن 56 روزگی در مقایسه با سن 28 روزگی ثبت گردید. نتایج این آزمایش نشان میدهند که HuNa اثر مثبتی بر رشد جوجههای گوشتی داشته و میتواند یک افزودنی طبیعی مناسب برای رشد جوجههای گوشتی در برابر اثرات زیانآور آفلاتوکسینها باشد.
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