Examination of droughtmaster bulls for breeding soundness

Citation

Bongso, T. A. and Jainudeen, Mohamed Razeen and Dass, S (1981) Examination of droughtmaster bulls for breeding soundness. Theriogenology, 15 (4). pp. 415-425. ISSN 0093-691X

Abstract

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.

Download File

PDF
Exam of droughtmaster bulls.pdf
Restricted to Repository staff only
Download (364kB)

Additional Metadata

Item Type:	Article
Divisions:	Universiti Pertanian Malaysia Faculty of Veterinary Medicine
DOI Number:	https://doi.org/10.1016/0093-691X(81)90008-X
Publisher:	Elsevier
Keywords:	Droughtmaster bulls; Breeding
Depositing User:	Mohd Hafiz Che Mahasan
Date Deposited:	07 Jul 2015 07:02
Last Modified:	07 Jul 2015 07:02
Altmetrics:	http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/0093-691X(81)90008-X
URI:	http://psasir.upm.edu.my/id/eprint/39098
Statistic Details:	View Download Statistic

Actions (login required)

View Item