Selection of Bali candidate bulls based on the performance test and grading

Widya Pintaka Bayu Putra, Paskah Partogi Agung, Iskandar Zulkarnain, Aminurrahman, Roni Ridwan

Abstract: This research was carried out to evaluate the performance test and grading results in 13 head of
Bali cattle (Bos javanicus) at Bureau of Artificial Insemination (BAI) of Lelede, West Nusa Tenggara
Province. The vital sign that measured in performance test including of age, body weight (BW), withers
height (WH), body length (BL) and scrotal circumferance (SC). The average of vital sign after 306
days of the performance test were 1182.28 ± 50.78 (age), 214.54 ± 26.03 kg (BW), 114.46 ± 2.60 cm
(WH), 113.92 ± 2.25 cm (BL), 151.15 ± 5.35 cm (CG) and 23.69 ± 0.75 (SC). The average of weight
gain and growth rate after the performance test were 21.46 ± 11.04 kg and 0.05 ± 0.03 kg/days. The
class classification (grading) based on the performance test only obtained four class III bulls (eartag
number: 0874, 0885, 00744 and 0888). The best four bulls based on corrected final weight (CFW)
were obtained on bull with eartag number: 0874, 0885, 0889 and 0880. The best two bulls according
to CFW and grade were reached on bull ID: 0874 (267.29 kg) and 0885 (220.03 kg). It was concluded
that bull ID: 0874 as the best bulls according to CFW and class category.

Keywords: Bali cattle; class; final weight; heritability; performance test

Date published: 2020-07-17