نوع مقاله : مقاله پژوهشی

نویسندگان

1 نویسنده مسئول، گروه تغذیه دام و طیور، دانشکده علوم دامی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران.

2 گروه تغذیه دام و طیور، دانشکده علوم دامی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران.

10.22059/jap.2023.349997.623710

چکیده

اثر سطوح مختلف پودر گیاه اوجی بر عملکرد، قابلیت هضم مواد مغذی، رفتار نشخوار، فراسنجه‌های خونی و شکمبه‌ای از میش‌های دالاق، با استفاده از 18 رأس میش با میانگین وزن 3/5±38 کیلوگرم در قالب طرح کاملاً تصادفی با سه تیمار و شش تکرار بررسی شد. تیمارها شامل 1- شاهد (بدون پودر اوجی)، 2- 25 گرم پودر اوجی در روز و 3- 50 گرم پودر اوجی در روز بود. سطوح مختلف پودر اوجی در میش‌ها اثری بر وزن انتهای دوره، افزایش وزن روزانه، میزان کلسترول، گلوکز، پروتئین کل، آلبومین، گلوبولین و نسبت آلبومین/گلوبولین خون نداشت. تغذیه میش‌ها با سطوح مختلف پودر اوجی، سبب کاهش قابلیت هضم ظاهری ماده خشک، افزایش رفتار مصرف تغذیه‌ای و فعالیت نشخوار، افزایش مقدار اوره و تری‌گلیسرید خون شد (p>0/05). تغذیه میش‌ها با سطوح مختلف پودر اوجی سبب کاهش معنی‌دار جمیعت پروتوزوآ سه ساعت پس از خوراک‌دهی و افزایش pH شکمبه سه ساعت بعد از تغذیه صبح شد (p>0/05). غلظت آمونیاک شکمبه در میش هائی که 50 گرم پودر اوجی در روز دریافت کردند بیشتر از سایر تیمارها بود (p>0/05). بر اساس نتایج این پژوهش، افزودن پودر گیاه اوجی تا سطح 50 گرم در روز به جیره میش‌‌های دالاق، بر صفات عملکردی دام تأثیر معنی‌داری ندارد، همچنین بر جمعیت پروتوزوآیی و pH شکمبه اثر مثبتی نشان می‌دهد.

کلیدواژه‌ها

عنوان مقاله [English]

The effect of different levels of Mentha pulegium on performance, nutrient digestibility, rumination behavior, blood and rumen parameters of dalagh ewes

نویسندگان [English]

  • Kamel Amozadeh Araee 1
  • Taghi Ghoorchi 2
  • Abdolhakim Toghdory 2
  • Mohammad Asadi 2
  • Katayoun Mehrani 2

1 MSc students, Department of Animal and Poultry Nutrition, Faculty of Animal Science, Gorgan University of Agricultural Science and Natural Resources, Gorgan, Iran

2 Department of Animal and Poultry Nutrition, , Gorgan University of Agricultural Sciences and Natural Resources

چکیده [English]

The effect of different levels of Oji plant powder on performance, nutrient digestibility, rumination behavior, blood and rumen parameters of Dalagh ewes, using 18 ewes with an average weight of 38±3.5 kg in a completely randomized design with three treatments and six Repetition was investigated. The treatments included 1- control (without Oji powder), 2- 25 gr of Oji powder per day and 3- 50 gr of Oji powder per day. Different levels of Oji powder in ewes had no effect on the weight at the end of the period, daily weight gain, cholesterol, glucose, total protein, albumin, globulin and blood albumin/globulin ratio. Feeding ewes with different levels of Oji powder decreased the apparent digestibility of dry matter, increased nutritional consumption behavior and rumination activity, and increased blood urea and triglyceride levels(P<0.05). Feeding ewes with different levels of Oji powder caused a significant decrease in protozoan population three hours after feeding and an increase in rumen pH three hours after morning feeding(P<0.05). Ruminal ammonia concentration in ewes that received 50 gr of Oji powder per day was higher than other treatments(P<0.05). According to the results of this research, adding the powder of Oji plant up to the level of 50 gr per day to the ration of Dalagh ewes does not have a significant effect on the functional traits of the animal, and it also shows a positive effect on the protozoan population and rumen pH.

کلیدواژه‌ها [English]

  • Blood and Rumen parameters
  • Dalagh ewes
  • Mentha Pulegium
  • Nutrient digestibility
  • Rumination behavior
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