Bio-efficacy comparison of herbal-methionine and DL-methionine based on performance and blood parameters of broiler chickens
Publish place: Veterinary Research Forum، Vol: 5، Issue: 2
Publish Year: 1393
نوع سند: مقاله ژورنالی
زبان: English
View: 106
This Paper With 7 Page And PDF Format Ready To Download
- Certificate
- من نویسنده این مقاله هستم
استخراج به نرم افزارهای پژوهشی:
شناسه ملی سند علمی:
JR_VRFAN-5-2_001
تاریخ نمایه سازی: 25 آبان 1402
Abstract:
This study was conducted to compare the bio-efficacy of herbal methionine (H-Met) relative to DL-methionine (DL-Met) on ۱۶۰ “Ross ۳۰۸” broiler chickens. DL-Met and H-Met were added to the basal diet in eight experimental treatments with three and four concentrations respectively in starter, grower and finisher period. Blood parameters which were measured at ۲۴ and ۴۲ days of age consisted of: serum proteins (total protein, albumin and globulin), serum uric acid, serum fats (low density lipoprotein, high density lipoprotein, triglyceride and cholesterol) and serum enzymes (alanine amino transaminase and aspartate amino transaminase). Completely randomized design, multi-exponential and multilinear regressions were used to determine bio-efficacy of H-Met in terms of performance and blood parameters of broilers. The results showed that supplemented methionine (Met) sources had no significant effect on blood parameters at ۲۴ day of age. At ۴۲ day of age the amounts of globulin and serum high density lipoprotein (HDL) increased with supplemented Met, (p < ۰.۰۵). Regression analysis revealed that H-Met was ۵۵.۰۰, ۷۱.۰۰, ۷۸.۰۰, ۴۷.۰۰, ۵۸.۰۰ and ۷۳.۰۰% as efficacious as DL-Met for body weight gain, feed intake, feed conversion ratio, albumin, globulin and high density lipoprotein criteria, respectively. The average of bio-efficacy of H-Met compared to DL-Met was ۶۷.۰۰% and ۵۹.۰۰% on average across performance criteria and blood criteria respectively and was ۶۳.۰۰% across these two criteria tested. The results of the present study indicated that H-Met can be administered as a new and a natural source of Met in poultry industry.
Keywords:
Authors
Sheila Hadinia
Department of Animal Science, Agriculture and Natural Resources Pardis, University of Tehran, Karaj, Iran
Mahmood Shivazad
Department of Animal Science, Agriculture and Natural Resources Pardis, University of Tehran, Karaj, Iran
Hossein Moravej
Department of Animal Science, Agriculture and Natural Resources Pardis, University of Tehran, Karaj, Iran
Majid Alahyari-Shahrasb
Department of Animal Science, Agriculture and Natural Resources Pardis, University of Tehran, Karaj, Iran
Mohammad Mehdi Nabi
Department of Animal Science, Agriculture and Natural Resources Pardis, University of Tehran, Karaj, Iran
مراجع و منابع این Paper:
لیست زیر مراجع و منابع استفاده شده در این Paper را نمایش می دهد. این مراجع به صورت کاملا ماشینی و بر اساس هوش مصنوعی استخراج شده اند و لذا ممکن است دارای اشکالاتی باشند که به مرور زمان دقت استخراج این محتوا افزایش می یابد. مراجعی که مقالات مربوط به آنها در سیویلیکا نمایه شده و پیدا شده اند، به خود Paper لینک شده اند :