Page 10 - Tarangower Angus Catalogue ebook
P. 10
HERITABILITIES Calving Ease Dir 14% 86%
ESTIMATES Gestation Length 32% 68% 65% 35%
Birth Wt
IN ANGUS 200-Day Wt 12% 88%
400-Day Wt 23% 77%
The amount of
genetic influence 600-Day Wt 35% 65%
in a trait. Mature Cow Wt 40% 60%
Milk 10% 90%
The amount of Scrotal Size
environmental 39% 61%
(non-genetic) Days to Calving 7% 93%
influence in a trait.
Carcass Wt 41% 59%
Eye Muscle Area 34% 66%
Rib Fat 45% 55%
Rump Fat 32% 68%
Retail Beef Yield % 60% 40%
Intra-muscular Fat % 32% 68%
VISUAL APPRAISAL IS STILL VERY IMPORTANT FOR SELECTING BULLS
• MASCULINE TRAITS -A strong head, jaw and thick neck • STRUCTURAL SOUNDNESS - Feet and bone- Hill country
indicate high levels of libido, testosterone and reproductive cattle cover large distances over rugged terrain so a strong
efficiency. skeleton is essential.
• NECK LENGTH -A thick necked animal matures and reaches • REPRODUCTIVE- A tight sheath, good sized and shaped
puberty earlier and has more libido. A longer neck indicates a higher testicles are essential.
maintenance animal that is slower to reach puberty and rebreed.
• FLANK - Deep flanked animals are easier keeping, have more
• HEART GIRTH - larger heart girth is an indicator of vigor and easy meat in the rump and have more maternal and reproductive
keeping ability. Small heart girth animals are more susceptible to efficiency. Higher flanked animals tend to be higher maintenance
stress, are higher maintenance and do not perform well. and take longer to finish on grass.