Effect of Crude Soybean Oil Sediment as a Substitute for Refined Soybean Oil in Broiler Diet
محورهای موضوعی : Camel
1 - Department of Animal Science and Animal Nutrition, Chittagong Veterinary and Animal Science University, Khulshi, Chittagong-4225, Bangladesh
2 - Department of Animal Science and Animal Nutrition, Chittagong Veterinary and Animal Science University, Khulshi, Chittagong-4225, Bangladesh
کلید واژه: Broiler, weight gain, crude soybean oil sediment, Feed Conversion Ratio, intake,
چکیده مقاله :
Four hundred fifty day old unsexed broiler chicks were used in a 35-day trial at Chittagong veterinary and animal sciences university farm to find out the effect of using crude soybean oil sediment (CSOS) as a substitute for refined soybean oil (RSO) in broiler diet. The experiment was carried out following completely randomized design. The chicks were randomly distributed in three treatment groups having three replications per treatment. Each replication had 50 birds. The house was divided by wire net into nine compartments to maintain desired replication. Birds were fed three types of diet i.e. diet without CSOS and RSO (T0), diet containing RSO (T1) and diet containing CSOS (T2). All birds had free access to ad libitum feeding. Results indicated that no variations (P<0.05) were observed in weight gain of birds for the 1st and 2nd week except at 3rd, 4th and 5th week irrespective of dietary treatments. At 5th week, average weight gain was maximum (73.7±2.1 g/d) in birds fed diet containing RSO (T1) and minimum (65.6±2.7 g/d) in birds fed diet without CSOS and RSO (T0). Similar to weight gain, average feed intake differed (P<0.01) and the mean values were 55.3 ± 2.1, 50.5 ± 1.9 and 53.4 ± 2.0 g at 2nd week, 92.5 ± 3.1, 83.4 ± 2.3 and 84.4 ± 2.2 g at 3rd week and 116.4 ± 2.3, 114.5 ± 1.9 and 120.4 ± 2.7 g at the 4th week for T0, T1 and T2 treatment groups, respectively. Feed conversion ratio (FCR) differed (P<0.05) only at 5th week and the mean values were 2.03 ± 0.12, 1.80 ± 0.11 and 1.90 ± 0.09 for T0, T1 and T2 treatment groups, respectively. Best feed FCR (1.80±0.11) was found in birds fed diet containing RSO (T1) and comparatively poor FCR (2.03±0.12) was found in birds fed diet without CSOS and RSO (T0). It could therefore be inferred that, RSO may be replaced by CSOS in broiler diet.
450 قطعه جوجه گوشتی یکروزه تعیین جنسیت نشده در یک آزمایش 35 روزه در مزرعه دانشگاه دامپزشکی و علوم دامی چیتاگونگ برای بررسی اثر استفاده از رسوب روغن خام سویا (CSOS) به عنوان جایگزینی برای روغن سویا تصفیه شده (RSO) در جیره غذایی جوجه‌های گوشتی مورد استفاده قرار گرفتند. آزمایش در قالب طرح کاملاً تصادفی انجام شد. جوجه به صورت تصادفی در 3 گروه تیماری با 3 تکرار در هر تیمار توزیع شدند. هر تکرار دارای 50 پرنده بود. آشیانه توسط سیم توری به 9 بخش تقسیم شد تا تکرارهای مورد نظر به وجود آیند. پرندگان با 3 نوع جیره غذایی شامل جیره غذایی بدون CSOS و RSO (T0) تغذیه شده بودند، جیره غذایی حاوی RSO (T1) و جیره غذایی حاوی CSOS (T2) تغذیه شدند. تمام پرندگان به صورت آزادانه به خوراک دسترسی داشتند. نتایج نشان داد که هیچ تفاوت (05/0P<) در افزایش وزن پرندگان برای هفته 1 و 2 وجود نداشت به جز در هفته 3، 4 و 5 که مربوط به تیمارهای غذایی نبود. در هفته 5، حداکثر میانگین افزایش وزن در پرندگان تغذیه شده با جیره غذایی حاوی RSO (T1) و حداقل (7/2±6/56 گرم/روز) در پرندگان تغذیه شده جیره غذایی بدون CSOS و RSO (T0) بود (1/2±7/37 گرم/روز) بود. مشابه افزایش وزن، متوسط مصرف خوراک تفاوت داشت (01/0P<) و مقادیر میانگین9/1 ± 5/50, 1/2 ± 3/55 و 0/2 ± 4/53 گرم در هفته 2، 1/3 ± 5/92، 3/2 ± 4/83 بود و 2/2 ± 4/84 گرم در هفته 3 و 4/116 ± 3/2، 9/1 ± 5/114 و 7/2 ± 4/120 گرم در هفته 4 برای تیمارهای T0، T1 و T2 بود. ضریب تبدیل غذایی (FCR) فقط در هفته 5 متفاوت بود (05/0P<) و مقادیر میانگین 11/0 ± 80/1، 12/0 ± 03/2 و 09/0 ± 90/1 به ترتیب برای گروه T0، T1 و تیمار T2 بودند. بهترین ضریب تبدیل غذا (11/0 ± 80/1) در پرندگان تغذیه شده با جیره غذایی حاوی RSO (T1) بود و در پرندگان تغذیه شده جیره غذایی بدون CSOS و RSO (T0) FCR نسبتاً ضعیفی (03/2±12/0) مشاهده شد. بنابراین می‌توان نتیجه گرفت که RSO می‌تواند توسط CSOS در جیره غذایی جوجه‌های گوشتی جایگزین شود.
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