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Examination of Droughtmaster bulls for breeding soundness

Forty Droughtmaster bulls were evaluated for breeding soundness, using the method of examination and criteria for classifying bulls of the Society for Theriogenelogy. Eighty three percent of the bulls were classified as satisfactory, 14 percent as questionable and 3 percent as unsatisfactory breeder...

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Main Authors: Bongso, T.A., Jainudeen, M.R., Dass, S.
Format: Article
Language:English
Published: Elsevier 1981
Online Access:http://psasir.upm.edu.my/id/eprint/114994/1/114994.pdf
http://psasir.upm.edu.my/id/eprint/114994/
https://linkinghub.elsevier.com/retrieve/pii/0093691X8190008X
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spelling my.upm.eprints.1149942025-02-14T02:14:30Z http://psasir.upm.edu.my/id/eprint/114994/ Examination of Droughtmaster bulls for breeding soundness Bongso, T.A. Jainudeen, M.R. Dass, S. Forty Droughtmaster bulls were evaluated for breeding soundness, using the method of examination and criteria for classifying bulls of the Society for Theriogenelogy. Eighty three percent of the bulls were classified as satisfactory, 14 percent as questionable and 3 percent as unsatisfactory breeders. Scrotal circumference for 2 to 8-year-old bulls were smaller in questionable and unsatisfactory bulls, as compared to satisfactory bulls. For bulls rated as satisfactory breeders, the scrotal circumference of 37 to 43 cms was higher than for other beef breeds. Three related bulls (2 questionable, 1 satisfactory) carried sperm defects classified as 'knobbed' (38 ± 3%), 'Dag' (40 ± 4%) and 'pseudo-droplets' (41 ± 5%), which may adversely affect fertility. Elsevier 1981-04 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/114994/1/114994.pdf Bongso, T.A. and Jainudeen, M.R. and Dass, S. (1981) Examination of Droughtmaster bulls for breeding soundness. Theriogenology, 15 (4). pp. 415-425. ISSN 0093-691X; eISSN: 0093-691X https://linkinghub.elsevier.com/retrieve/pii/0093691X8190008X 10.1016/0093-691X(81)90008-X
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Forty Droughtmaster bulls were evaluated for breeding soundness, using the method of examination and criteria for classifying bulls of the Society for Theriogenelogy. Eighty three percent of the bulls were classified as satisfactory, 14 percent as questionable and 3 percent as unsatisfactory breeders. Scrotal circumference for 2 to 8-year-old bulls were smaller in questionable and unsatisfactory bulls, as compared to satisfactory bulls. For bulls rated as satisfactory breeders, the scrotal circumference of 37 to 43 cms was higher than for other beef breeds. Three related bulls (2 questionable, 1 satisfactory) carried sperm defects classified as 'knobbed' (38 ± 3%), 'Dag' (40 ± 4%) and 'pseudo-droplets' (41 ± 5%), which may adversely affect fertility.
format Article
author Bongso, T.A.
Jainudeen, M.R.
Dass, S.
spellingShingle Bongso, T.A.
Jainudeen, M.R.
Dass, S.
Examination of Droughtmaster bulls for breeding soundness
author_facet Bongso, T.A.
Jainudeen, M.R.
Dass, S.
author_sort Bongso, T.A.
title Examination of Droughtmaster bulls for breeding soundness
title_short Examination of Droughtmaster bulls for breeding soundness
title_full Examination of Droughtmaster bulls for breeding soundness
title_fullStr Examination of Droughtmaster bulls for breeding soundness
title_full_unstemmed Examination of Droughtmaster bulls for breeding soundness
title_sort examination of droughtmaster bulls for breeding soundness
publisher Elsevier
publishDate 1981
url http://psasir.upm.edu.my/id/eprint/114994/1/114994.pdf
http://psasir.upm.edu.my/id/eprint/114994/
https://linkinghub.elsevier.com/retrieve/pii/0093691X8190008X
_version_ 1825162411077795840
score 13.239859

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