اثر شمارش یاختههای پیکری کُل و افتراقی، مرحله شیردهی و تعداد دوره‌های شیردهی بر لیپولیز و ترکیب فیزیکوشیمیایی شیر شتر (Camelus dromedaries) و گاو
Subject Areas : Camelاچ. حامد 1 , آ.ف. ال فکری 2 , آ. گرگوری 3
1 - Laboratory of Animal Ecophysiology, Faculty of Science, Sfax University, Sfax, Tunisia
2 - Laboratory of Animal Ecophysiology, Faculty of Science, Sfax University, Sfax, Tunisia
3 - Laboratory of Animal Ecophysiology, Faculty of Science, Sfax University, Sfax, Tunisia
Keywords: لیپولیز, شیر شتر, ترکیب فیزیکوشیمیایی, شمارش یاخته های پیکری,
Abstract :
مطالعه حاضر با هدف بررسی اثرات شمارش یاختههای پیکری (SCC)، SCC افتراقی (ماکروفاژ (MAC)، لیمفوسیت (LYM) و لوکوسیتهای چندهستهای (PMN))، تعداد و مرحله شیردهی بر ترکیب شیر در شیر شتر و گاو صورت گرفته است. شیر شتر به طور معنیداری (05/0>P) حاوی مواد معدنی بیشتری است. سطح لیپولیز در شیر شتر مشابه شیر گاو است. سطح لیپولیز همگام با افزایش سطح MAC در شیر شتر افزایش یافته ولی در شیر گاو چنین نیست. نتایج حاصل نشان میدهد که MAC در تجزیه چربی شیر شتر نقشآفرینی میکند. ترکیب مواد معدنی به طور معنیداری تحت تأثیر SCC در شیر شتر واقع میشود. ترکیب شیر تحت تأثیر تعداد دوره شیردهی در هر دو گونه قرار نمیگیرد. سطح کل جامدات شیر، کلسیم و سدیم در شیر شتر همگام با پیشرفت دوره شیردهی، کاهش مییابد.
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