INVESTIGATION OF ESTRADIOL 17-β, PROGESTERONE AND BUN IN PRIMIPAROUS AND MULTIPAROUS HOLSTEIN DAIRY COWS WITH OVARIAN CYSTS

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YOUSEFDOUST S.; SAMADI F.; MOGHADAM GH.; HASANI S.; JAFARI AHANGARI Y.

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Journal: ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ) Year:2011 | Volume:21 | Issue:2 Page(s): 49-57

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Title

INVESTIGATION OF ESTRADIOL 17-β, PROGESTERONE AND BUN IN PRIMIPAROUS AND MULTIPAROUS HOLSTEIN DAIRY COWS WITH OVARIAN CYSTS

Author(s)

Keywords

BLOOD UREA NITROGENQ3

COWQ2

ESTRADIOL 17-βQ3

OVARIAN CYSTQ1

Abstract

Ovarian cysts are follicle-like structures with 2.5 cm in diameter that persist at least for 10 days on one or both ovaries in the absence of corpus luteum. In order to investigation of estradiol 17-b, progesterone and BLOOD UREA NITROGEN in cystic COWs, 30 lactating Holstein COWs (15 cystic and 15 normal COWs) were used. Estradiol 17-b and progesterone were measured by chemilominecense method and BLOOD UREA NITROGEN was measured using spectrophotometer. The results showed that the concentrations of estradiol 17-b and BLOOD UREA NITROGEN (BUN) in cystic COWs were significantly higher (P<0.05) and glucose levels lower than the normal COWs (P<0.05). Milk yield had significantly effect on BUN levels (P<0.05). The levels of estradiol 17-b in multiparous cystic COWs were significantly higher than primiparous and multifarious normal COWs (P<0.05). Although mean of progesterone concentrations was lower in control group than cystic COWs, there was no significantly difference between those groups (P=0.06). This study showed that increasing of concentration of estradiol 17-b and BLOOD UREA NITROGEN and decreasing blood progesterone can be used as sign of cystic ovaries in COW.

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APA: Copy

YOUSEFDOUST, S., SAMADI, F., MOGHADAM, GH., HASANI, S., & JAFARI AHANGARI, Y.. (2011). INVESTIGATION OF ESTRADIOL 17-β, PROGESTERONE AND BUN IN PRIMIPAROUS AND MULTIPAROUS HOLSTEIN DAIRY COWS WITH OVARIAN CYSTS. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), 21(2), 49-57. SID. https://sid.ir/paper/147600/en

Vancouver: Copy

YOUSEFDOUST S., SAMADI F., MOGHADAM GH., HASANI S., JAFARI AHANGARI Y.. INVESTIGATION OF ESTRADIOL 17-β, PROGESTERONE AND BUN IN PRIMIPAROUS AND MULTIPAROUS HOLSTEIN DAIRY COWS WITH OVARIAN CYSTS. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ)[Internet]. 2011;21(2):49-57. Available from: https://sid.ir/paper/147600/en

IEEE: Copy

S. YOUSEFDOUST, F. SAMADI, GH. MOGHADAM, S. HASANI, and Y. JAFARI AHANGARI, “INVESTIGATION OF ESTRADIOL 17-β, PROGESTERONE AND BUN IN PRIMIPAROUS AND MULTIPAROUS HOLSTEIN DAIRY COWS WITH OVARIAN CYSTS,” ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), vol. 21, no. 2, pp. 49–57, 2011, [Online]. Available: https://sid.ir/paper/147600/en

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