COMPARATIVE STUDY OF PLASMA PROGESTERONE CONCENTRATIONS AND SOME METABOLIC PARAMETERS OF MILK AND BLOOD IN DAIRY HOLSTEIN COWS UNDER OVULATION INDUCTION USING OVSYNCH OR OVSYNCH-CIDR PROCEDURES

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FALLAH RAD A.H.

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Journal Paper

Paper Information

Journal: SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL Year:2007 | Volume:3 | Issue:1 (14) Page(s): 54-62

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Title

COMPARATIVE STUDY OF PLASMA PROGESTERONE CONCENTRATIONS AND SOME METABOLIC PARAMETERS OF MILK AND BLOOD IN DAIRY HOLSTEIN COWS UNDER OVULATION INDUCTION USING OVSYNCH OR OVSYNCH-CIDR PROCEDURES

Author(s)

FALLAH RAD A.H. | Issue Writer Certificate

Keywords

PROGESTERONEQ3

OVSYNCHQ3

CIDRQ3

DAIRY COWQ2

BLOODQ2

MILKQ2

Abstract

In order to find out the relationship between plasma PROGESTERONE (P4) concentrations and plasma and MILK metabolites 5 days post insemination in post calving cows, 130 treated with either OVSYNCH or OVSYNCH-CIDR procedures. In a commercial dairy farm in Mashhad suburbs, in a completely randomized design, cows were divided into two groups of OVSYNCH (60 cows) and CIDR (70 cows). Experimental cows were in their second parity onward and had body condition scores between 2.75 and 3.00. Cows were examined on days 20 and 30 post-pactum and if their reproductive tracts were normal, on day 50±5 in, the CIDR group, OVSYNCH-CIDR protocol was applied and OVSYNCH group cows were treated according to the OVSYNCH protocol. Five days post-insemination, plasma and MILK samples were collected and P4, total protein, BUN and albumin of plasma and MILK were measured. Results showed that conception rate was higher in the Ovsych than CIDR in the first insemination (P<0.05) but, in the second insemination onward, conception rate was higher in the CIDR than OVSYNCH (P<0.05). Comparison of cumulative data of P4 concentrations of pregnant and non-pregnant cows, from both groups on day 5, showed higher concentrations in the pregnant cows (P<0.05). Excluding MILK urea nitrogen which was higher in the pregnant cows (P<0.05), concentrations of other measured plasma factors were not significantly different between pregnant and non pregnant cows (P>0.05). In conclusion, measuring plasma metabolite concentrations on day 5 after insemination was not a reliable method to foresee the reproductive status of the cows but determination of the P4 concentrations at this time may have applications in the pregnancy diagnosis. However, protocols in which P4 is the key synchronizing hormone can be used for the synchronization of ovulation as well as for improving post partum re-establishment of the reproductive cycle in the DAIRY COWs.

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APA: Copy

FALLAH RAD, A.H.. (2007). COMPARATIVE STUDY OF PLASMA PROGESTERONE CONCENTRATIONS AND SOME METABOLIC PARAMETERS OF MILK AND BLOOD IN DAIRY HOLSTEIN COWS UNDER OVULATION INDUCTION USING OVSYNCH OR OVSYNCH-CIDR PROCEDURES. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, 3(1 (14)), 54-62. SID. https://sid.ir/paper/97478/en

Vancouver: Copy

FALLAH RAD A.H.. COMPARATIVE STUDY OF PLASMA PROGESTERONE CONCENTRATIONS AND SOME METABOLIC PARAMETERS OF MILK AND BLOOD IN DAIRY HOLSTEIN COWS UNDER OVULATION INDUCTION USING OVSYNCH OR OVSYNCH-CIDR PROCEDURES. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL[Internet]. 2007;3(1 (14)):54-62. Available from: https://sid.ir/paper/97478/en

IEEE: Copy

A.H. FALLAH RAD, “COMPARATIVE STUDY OF PLASMA PROGESTERONE CONCENTRATIONS AND SOME METABOLIC PARAMETERS OF MILK AND BLOOD IN DAIRY HOLSTEIN COWS UNDER OVULATION INDUCTION USING OVSYNCH OR OVSYNCH-CIDR PROCEDURES,” SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, vol. 3, no. 1 (14), pp. 54–62, 2007, [Online]. Available: https://sid.ir/paper/97478/en

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