اثرات سطوح مختلف روغن‌کلزا، دانه‌ی باقلا و پودر سیر بر عملکرد و صفات کیفی تخم‌مرغ در مرغهای تخمگذار
محورهای موضوعی : پژوهش های بالینی دام های بزرگ
کلید واژه: عملکرد, پودرسیر, دانه‌ی باقلا, روغن‌کلزا, مرغ تخمگذار,
چکیده مقاله :
این آزمایش برای ارزیابی اثرات سطوح مختلف دانه‌ی باقلا، پودر سیر و روغن‌کلزا بر عملکرد، کیفیت تخم‌مرغ در مرغهای تخمگذار انجام شد. در این تحقیق 288 قطعه مرغ تخمگذار سویه‌ی های- لاین(W-36) در سن37 الی 49 هفتگی، در یک آزمایش فاکتوریل 2×2×2 با دوسطح روغن کلزا (5/1 و3 درصد جیره)، دو سطح دانه‌ی باقلا (10 و20 درصد جیره) و دو سطح پودر سیر (2/0 و 4/0 درصد جیره) در قالب یک طرح کاملاً تصادفی با 8 تیمار و 3 تکرار (هر تکرار شامل 12 قطعه مرغ تخمگذار) به مدت 12 هفته مورد استفاده قرار گرفتند. نتایج نشان داد‌که افزودن سطوح مختلف روغن‌کلزا، دانه‌ی باقلا و پودر سیر به جیره‌ی غذایی مرغهای تخمگذار تأثیر معنی‌داری بر صفات عملکردی (میانگین وزن تخم‌مرغ، درصد تولید تخم‌مرغ، تولید توده‌ای، ضریب تبدیل) داشتند (05/0<P). افزایش دانه‌ی باقلا موجب‌کاهش تولید تخم‌مرغ و تولید توده‌ای تخم‌مرغ‌گردید (05/0<P). تیمار حاوی 3 درصد روغن‌کلزا، 20 درصد دانه‌ی باقلا و 4/0 درصد پودر سیر بیشترین میانگین وزن تخم‌مرغ (13/60گرم) را منجر شد. بیشترین درصد تولید تخم‌مرغ مربوط به تیمار حاوی 3 درصد روغن‌کلزا، 10درصد دانه‌ی باقلا و 4/0درصد پودر سیر بود. اثر سطوح مختلف باقلا، پودر سیر و روغن‌کلزا و اثر متقابل بین آنها بر صفات‌کیفی تخم‌مرغ وکلسترول زرده معنی‌دار نبود. این نتایج نشان می دهد که گنجاندن روغن‌کلزا (5/1درصد)، دانه‌ی باقلا (20درصد) و پودر سیر (4/0درصد) در تغذیه مرغهای تخمگذار می تواند مفید واقع شود
This experiment was conducted to evaluate the effects of different levels of canola oil, Lupin seed and garlic powder on performance, and egg quality of laying hens. A total of 288 Hy-line (W-36) layer (37-wk of age) were randomly divided into 8 experimental treatments with 3 replicates (each replicate consisted of 12 birds) and arranged in a completely randomized design in the form of a factorial experiment 2×2×2 with two level of canola oil (1.5 and 3 %), Lupin seed (10 and 20%) and garlic powder (0.2 and 0.4). This study showed that adding different levels of canola oil, Lupin seed, and garlic powder to the diet of laying hens had significant effect on performance (egg weight, egg production, egg mass, feed conversion ratio). Egg production and egg mass significantly decreased by high level of Lupin seed (p<0.05). The highest egg weight (60.13 g) was observed in treatment containing 3% canola oil, 20% Lupin seed and 0.4% garlic powder. The egg production increased in treatment containing 3% canola oil, 10% of Lupin seed and 0.4% of garlic powder. There were no significant effects of different levels of canola oil, garlic powder, lupin seed, and their interaction on egg quality, and yolk cholesterol. In conclusion, using of appropriate levels canola oil (1.5 percent), Lupin seed (20 percent) and garlic powder (0.4 percent) in laying hens diets can be improved performance and egg quality.
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