بررسی تاثیر ماساژ موضعی بر میزان تولید شیر و سیستم ایمنی پستان گاوهای شیری

نوع مقاله : علمی پژوهشی

نویسندگان

1 دانشجوی دکترای حرفه‌ای دامپزشکی، واحد کرج، دانشگاه آزاد اسلامی، کرج، ایران.

2 استادیار گروه علوم درمانگاهی، واحد بابل، دانشگاه آزاد اسلامی، بابل، ایران.

3 استادیار گروه علوم درمانگاهی، واحد تبریز، دانشگاه آزاد اسلامی، تبریز، ایران.

4 استادیار گروه پاتوبیولوژی، واحد کرج، دانشگاه آزاد اسلامی، کرج، ایران.

10.30495/jvcp.2020.1873924.1242

چکیده

شمارش سلول­های سوماتیک (somatic cell count; SCC) شیر یک روش معمول در ارزیابی کیفیت شیر تولیدی و بررسی وضعیت ورم پستان می­باشد.­ ماساژ سبب افزایش سیستم ایمنی سلولی می‌شود.هدف از انجام مطالعه حاضر، بررسی تاثیر ماساژ پستان بر سیستم ایمنی پستان، با توجه به تعداد سلول­های سوماتیک و میزان تولید شیر بود.برای این منظور تعداد 14 رأس گاو پرتولید با سن حدود 3 سال که مدت 3 ماه از زایمان­شان گذشته بود، انتخاب شدند. سپس در 2 گروه شاهد و تیمار تقسیم­بندی شدند. گروه تیمار، روزانه دو بار و به مدت 4 هفته، ماساژ را در ناحیه پستان دریافت کردند. در طی دوره آزمایش نیز هر هفته شمارش سلول­های سوماتیک انجام می­­شد. مقدار تولید شیر نیز یک­بار در روز صفر و بار دیگر در هفته ششم که هفته آخر ماساژدهی در گروه تیمار بود، اندازه­گیری شد. یافته­ها حاکی از افزایش چشم­گیر ولی غیرمعنی­دار تعداد سلول­های سوماتیک (05/0p < /em>>) و کاهش معنی­دار میزان تولید شیر در گاوهای گروه تیمار بود (05/0p < /em><). همچنین از لحاظ تعداد سلول­های سوماتیک شیر، بین گاوهای 2 گروه­ تیمار و شاهد، به­جز هفته سوم آزمایش، اختلاف آماری معنی­داری دیده نشده و نیز هیچ ارتباط همبستگی معنی­داری بین تولید شیر و میزان SCC یافت نشد (05/0p < /em>>). اما میانگین تفاوت تولید شیر در بین گروه­های تیمار و کنترل در پایان هفته ششم نسبت به هفته اول، اختلاف آماری معنی­داری را نشان ­داد (05/0p < /em><). نتایج مطالعه حاضر نشان داد که ماساژ طولانی مدت پستان سبب بروز استرس و کاهش ایمنی پستان و براساس آن، کاهش تولید شیر در گاوهای شیری می­شود.
 

کلیدواژه‌ها


عنوان مقاله [English]

Evaluation of the effect of local massage on milk production and udder immunity of dairy cows

نویسندگان [English]

  • Ehsan Emamjome 1
  • Kianoush Khashayar 1
  • Saeed Azimpour 2
  • majid fartashvand 3
  • Hadi Pourtaghi 4
1 DVM Student, Faculty of Veterinary Medicine, Karaj Branch, Islamic Azad University, Karaj, Iran.
2 Assistant Professor, Department of Clinical Sciences, Babol Branch, Islamic Azad University, Babol, Iran.
3 Assistant Professor, Department of Clinical Sciences, Tabriz Branch, Islamic Azad University, Tabriz, Iran.
4 Assistant Professor, Department of pathobiology, Karaj Branch, Islamic Azad University, Karaj Iran.
چکیده [English]

Milk somatic cell count (SCC) is a common method of assessing the quality of milk produced and the status of mastitis. Massage improves the level of cellular immunity. This study aimed to evaluate the effect of massage on udder immune system according to SCC and milk production. For this purpose, 14 high-producing cows aged about 3 years which had given birth three months ago were chosen. The cows were then divided into control and treatment groups. The treatment group received udder massage twice a day for four weeks. During the investigation, weekly SCC was conducted. The rate of milk production was also recorded on day zero and in the sixth week which was the last week of massaging in the treatment group. The results indicated a dramatic and non-significant (p < /em>>0.05) increase of SCC and a significant decrease of milk production in the treatment group. There was no significant difference in SCC between the two groups except in the third week and no significant correlation was observed between milk production and SCC. But the difference in average milk production between the two groups at the end of the sixth week was significant (p < /em><0.05) in comparison to the first week. The results of the present study indicated that long-term massage is stressful and decreases the level of udder immunity and subsequent milk production.

کلیدواژه‌ها [English]

  • massage
  • immune system
  • Somatic cell
  • dairy cows
  • Mastitis
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