EVALUATION OF THE EFFECT OF PREGNANCY DETECTION BY TRANSRECTAL ULTRASONOGRAPHY ON PREGNANCY MAINTENANCE IN DAIRY CATTLE

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SHAMS N.; SHIRAZI A.; BORJIAN FARD M.

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Journal: SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL Year:2007 | Volume:3 | Issue:1 (14) Page(s): 5-20

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Title

EVALUATION OF THE EFFECT OF PREGNANCY DETECTION BY TRANSRECTAL ULTRASONOGRAPHY ON PREGNANCY MAINTENANCE IN DAIRY CATTLE

Author(s)

SHAMS N. | SHIRAZI A. | BORJIAN FARD M. | Issue Writer Certificate

Keywords

PREGNANCY

ULTRASONOGRAPHY

DAIRY COW

Abstract

Application of transrectal ULTRASONOGRAPHY to the study of bovine reproduction represents a technological breakthrough that has revolutionized our knowledge of reproductive biology. ULTRASONOGRAPHY can be used for evaluation of effect PREGNANCY detection, identification of cows carrying twin fetuses, distinguishing of ovarian and uterine pathological changes, determination of fetal sexing and identification of early embryonic death that each will provide opportunity for reproductive improvement. Thus ULTRASONOGRAPHY for routine reproductive examinations of dairy cattle is the future contribution of this technology. The objective of this study is evaluation of the effect of PREGNANCY detection by transrectal ULTRASONOGRAPHY at 28 to 35 days after insemination on maintenance of PREGNANCY in dairy cattle. This study was performed in an industrial dairy farm around Esfahan. Those cows that did not return to estrus between 18 and 24 days after insemination were divided into two groups randomly, control (n=65) and treatment (n=41) groups. Cows in treatment groups were examined by transrectal ULTRASONOGRAPHY from 28 to 35 days after insemination. PREGNANCY was confirmed by the observation of fetus, but fetal fluid in the uterine horn and the presence of embryonic membrane were also noted. In this group manual transrectal PREGNANCY examination was performed at 55 days of PREGNANCY. In the control group only transrectal palpation was performed. Finally, PREGNANCY rate in both control and treatment group was 61/5% and 58/5% respectively. Thus statistically there was no significant difference in two groups. Parity, days in milk, milk production rate and number of insemination did not also affect PREGNANCY rate in either group significantly (p<0.05).

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APA: Copy

SHAMS, N., SHIRAZI, A., & BORJIAN FARD, M.. (2007). EVALUATION OF THE EFFECT OF PREGNANCY DETECTION BY TRANSRECTAL ULTRASONOGRAPHY ON PREGNANCY MAINTENANCE IN DAIRY CATTLE. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, 3(1 (14)), 5-20. SID. https://sid.ir/paper/540185/en

Vancouver: Copy

SHAMS N., SHIRAZI A., BORJIAN FARD M.. EVALUATION OF THE EFFECT OF PREGNANCY DETECTION BY TRANSRECTAL ULTRASONOGRAPHY ON PREGNANCY MAINTENANCE IN DAIRY CATTLE. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL[Internet]. 2007;3(1 (14)):5-20. Available from: https://sid.ir/paper/540185/en

IEEE: Copy

N. SHAMS, A. SHIRAZI, and M. BORJIAN FARD, “EVALUATION OF THE EFFECT OF PREGNANCY DETECTION BY TRANSRECTAL ULTRASONOGRAPHY ON PREGNANCY MAINTENANCE IN DAIRY CATTLE,” SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, vol. 3, no. 1 (14), pp. 5–20, 2007, [Online]. Available: https://sid.ir/paper/540185/en

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