Occurrence of repeat breeding in crossbred dairy cattle

The present research work was undertaken to evaluate the occurrence of repeat breeding (RB) among crossbred dairy cattle for three years from January 2017 to December 2019. Crossbred cows having apparently normal genitalia and showing regular oestrous cycle but failing to conceive even after three c...
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Autor*in:	S. Aruna [verfasserIn] A.C.P. Abdul [verfasserIn] K. Promod [verfasserIn] B.K. Lekshmi [verfasserIn] M. Ashokkumar [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	cytological endometritis occurrence repeat breeding

Übergeordnetes Werk:	In: Journal of Veterinary and Animal Sciences - Director of Academics and Research, Kerala Veterinary and Animal Sciences University, 2021, 52(2021), 3, Seite 308-311
Übergeordnetes Werk:	volume:52 ; year:2021 ; number:3 ; pages:308-311

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.51966/jvas.2021.52.3.308-311

Katalog-ID:	DOAJ067880266

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520			\|a The present research work was undertaken to evaluate the occurrence of repeat breeding (RB) among crossbred dairy cattle for three years from January 2017 to December 2019. Crossbred cows having apparently normal genitalia and showing regular oestrous cycle but failing to conceive even after three consecutive inseminations were selected as RB cows based on data collected from breeding registers. The occurrence of RB in the year 2017, 2018 and 2019 were 29.20, 24.12 and 19.52 per cent, respectively with an overall occurrence of 23.60 per cent. Detailed clinico-gynaecological and ultrasonographic examinations of 41 RB cows were carried out for the identification of various etiological factors during the study period (September 2019 to August 2020). Samples for endometrial cytology were collected during oestrus by cytobrush technique to rule out cytological endometritis (sub clinical endometritis). The occurrence of various identified causes of RB were cytological endometritis (17.07 %), fibrosis of cervix (7.31 %), endometritis (7.31 %), follicular cyst (4.88 %), kinked cervix (2.44 %), uterine unicornis (2.44 %) and other reasons (58.54 %). Repeat breeding is a major cause of infertility in crossbred dairy cattle and early diagnosis is essential for the effective management and to enhance production.
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callnumber-first	Q - Science
author	S. Aruna
spellingShingle	S. Aruna misc QP501-801 misc Q1-390 misc cytological endometritis misc occurrence misc repeat breeding misc Animal biochemistry misc Science (General) Occurrence of repeat breeding in crossbred dairy cattle
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topic_title	QP501-801 Q1-390 Occurrence of repeat breeding in crossbred dairy cattle cytological endometritis occurrence repeat breeding
topic	misc QP501-801 misc Q1-390 misc cytological endometritis misc occurrence misc repeat breeding misc Animal biochemistry misc Science (General)
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title	Occurrence of repeat breeding in crossbred dairy cattle
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title_full	Occurrence of repeat breeding in crossbred dairy cattle
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author_browse	S. Aruna A.C.P. Abdul K. Promod B.K. Lekshmi M. Ashokkumar
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title_sort	occurrence of repeat breeding in crossbred dairy cattle
callnumber	QP501-801
title_auth	Occurrence of repeat breeding in crossbred dairy cattle
abstract	The present research work was undertaken to evaluate the occurrence of repeat breeding (RB) among crossbred dairy cattle for three years from January 2017 to December 2019. Crossbred cows having apparently normal genitalia and showing regular oestrous cycle but failing to conceive even after three consecutive inseminations were selected as RB cows based on data collected from breeding registers. The occurrence of RB in the year 2017, 2018 and 2019 were 29.20, 24.12 and 19.52 per cent, respectively with an overall occurrence of 23.60 per cent. Detailed clinico-gynaecological and ultrasonographic examinations of 41 RB cows were carried out for the identification of various etiological factors during the study period (September 2019 to August 2020). Samples for endometrial cytology were collected during oestrus by cytobrush technique to rule out cytological endometritis (sub clinical endometritis). The occurrence of various identified causes of RB were cytological endometritis (17.07 %), fibrosis of cervix (7.31 %), endometritis (7.31 %), follicular cyst (4.88 %), kinked cervix (2.44 %), uterine unicornis (2.44 %) and other reasons (58.54 %). Repeat breeding is a major cause of infertility in crossbred dairy cattle and early diagnosis is essential for the effective management and to enhance production.
abstractGer	The present research work was undertaken to evaluate the occurrence of repeat breeding (RB) among crossbred dairy cattle for three years from January 2017 to December 2019. Crossbred cows having apparently normal genitalia and showing regular oestrous cycle but failing to conceive even after three consecutive inseminations were selected as RB cows based on data collected from breeding registers. The occurrence of RB in the year 2017, 2018 and 2019 were 29.20, 24.12 and 19.52 per cent, respectively with an overall occurrence of 23.60 per cent. Detailed clinico-gynaecological and ultrasonographic examinations of 41 RB cows were carried out for the identification of various etiological factors during the study period (September 2019 to August 2020). Samples for endometrial cytology were collected during oestrus by cytobrush technique to rule out cytological endometritis (sub clinical endometritis). The occurrence of various identified causes of RB were cytological endometritis (17.07 %), fibrosis of cervix (7.31 %), endometritis (7.31 %), follicular cyst (4.88 %), kinked cervix (2.44 %), uterine unicornis (2.44 %) and other reasons (58.54 %). Repeat breeding is a major cause of infertility in crossbred dairy cattle and early diagnosis is essential for the effective management and to enhance production.
abstract_unstemmed	The present research work was undertaken to evaluate the occurrence of repeat breeding (RB) among crossbred dairy cattle for three years from January 2017 to December 2019. Crossbred cows having apparently normal genitalia and showing regular oestrous cycle but failing to conceive even after three consecutive inseminations were selected as RB cows based on data collected from breeding registers. The occurrence of RB in the year 2017, 2018 and 2019 were 29.20, 24.12 and 19.52 per cent, respectively with an overall occurrence of 23.60 per cent. Detailed clinico-gynaecological and ultrasonographic examinations of 41 RB cows were carried out for the identification of various etiological factors during the study period (September 2019 to August 2020). Samples for endometrial cytology were collected during oestrus by cytobrush technique to rule out cytological endometritis (sub clinical endometritis). The occurrence of various identified causes of RB were cytological endometritis (17.07 %), fibrosis of cervix (7.31 %), endometritis (7.31 %), follicular cyst (4.88 %), kinked cervix (2.44 %), uterine unicornis (2.44 %) and other reasons (58.54 %). Repeat breeding is a major cause of infertility in crossbred dairy cattle and early diagnosis is essential for the effective management and to enhance production.
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title_short	Occurrence of repeat breeding in crossbred dairy cattle
url	https://doi.org/10.51966/jvas.2021.52.3.308-311 https://doaj.org/article/bb7403eed896499796223b76b470e21e https://www.jvas.in/public_html/upload/article_file/article_file_r0qq9s.pdf?t=r0qq9s https://doaj.org/toc/0971-0701 https://doaj.org/toc/2582-0605
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Occurrence of repeat breeding in crossbred dairy cattle

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