Effects of Acidifier Supplementation and Toxin Binder on Performance, Carcass, Blood Metabolites, Intestinal Morphology, and Microbial Population in Broiler Chickens
محورهای موضوعی : Camelم.ر. حیدری 1 , ع.ا. صادقی 2 , و. رضایی‌پور 3
1 - Department of Animal Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
2 - Department of Animal Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
3 - Department of Animal Science, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran
کلید واژه: Broiler, intestinal morphology, microflora, acidifier, toxin binder,
چکیده مقاله :
An experiment was conducted to investigate the effects of acidifier (in drinking water) and toxin binder on the growth performance, carcass characteristics, blood metabolites, microbial population and intestinal morphology of broiler chickens. A total of 256 one-day old broiler chickens were distributed in four treatments with four replicates per each. The experimental treatments were: 1) control group (without acidifier and toxin binder), 2) group supplemented with acidifier, 3) group supplemented with toxin binder and 4) group supplemented with both acidifier and toxin binder. At 24 and 42 days of age, four birds per each treatment were selected and carcass traits, blood metabolites, microbial population and intestinal morphology were determined. The results showed that the experimental treatments had no significant effect on the growth performance of broiler chickens. The liver and heart weight was higher in broilers that received toxin binder (P<0.05). The experimental treatments did not alter the immune response and microbial population of the broiler chickens. The results indicated that the lowest serum concentration of cholesterol and triglyceride was observed in broiler chickens received treatment acidifier in combination with toxin binder (P<0.05). However, the birds fed toxin binder had a lower serum concentration of total protein, uric acid and liver enzyme activity (P<0.05). In the intestinal morphology, use of acidifier in combination with toxin binder improved the intestinal morphological traits in broiler chickens (P<0.05). On the basis of the present results, it can be used acidifier in combination with toxin binder in broiler chickens without any negative effect on the growth performance.
آزمایشی به منظور بررسی اثرات اسیدیفایر و جاذب سم بر عملکرد، خصوصیات لاشه، فراسنجه‌های خونی، جمعیت میکروبی و مورفولوژی روده در جوجه‌های گوشتی انجام شد. تعداد 256 قطعه جوجه گوشتی یکروزه در چهار تیمار آزمایشی، هر یک با 4 تکرار توزیع شدند. تیمارهای آزمایش شامل یک جیره پایه و جیره پایه همراه با توکسین بایندر، اسیدیفایر و یا استفاده توام توکسین بایندر و اسیدیفایر بود. در انتهای هر فاز، صفات عملکرد شامل میزان مصرف خوراک، افزایش وزن و ضریب تبدیل غذایی اندازه‌گیری شد. در روزهای 24 و 42 دوره آزمایش از هر پن یک جوجه انتخاب و صفات عملکرد لاشه، فراسنجه‌های خونی، جمعیت میکروبی روده و مورفولوژی روده اندازه‌گیری شدند. نتایج این تحقیق نشان داد که تیمارهای آزمایش تأثیری بر عملکرد رشد جوجه‌های گوشتی نداشتند. بیشترین وزن کبد و قلب مربوط به جوجه‌های گوشتی دریافت کننده جیره حاوی توکسین بایندر بود. تیمارهای آزمایشی تأثیر معنی‌داری بر فراسنجه‌های ایمنی خون (تیتر آنتی بادی) و جمعیت میکروبی روده نداشتند. نتایج نشان داد که جوجه‌های دریافت‌کننده جیره شماره 4 (توکسین بایندر همراه با اسیدیفایر) و شماره 3 (توکسین بایندر) به ترتیب کمترین مقدار کلسترول و تری‌گلیسرید و نیز پروتئین، اسید اوریک و آنزیم کبدی را به خود اختصاص دادند. در صفات ریخت شناسی روده، استفاده همزمان از اسیدیفایر و توکسین بایندر سبب بهبود معنی‌دار صفات مورفولوژی روده در جوجه‌های گوشتی شد. بر اساس نتایج این تحقیق می‌توان از مخلوط اسیدیفایر و توکسین بایندر در جیره جوجه‌های گوشتی استفاده کرد بدون اینکه تأثیر منفی بر عملکرد رشد جوجه گوشتی داشته باشد.
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