Page 6 - NILB Catalogue 2021 ebook

Calving Ease Direct EBV: indicates the influence of the sire on calving ease. Sires with positive
EBVs for calving ease will increase calving ease and sires with negative EBVs will decrease calving
ease.
Calving Ease Daughters EBV: ranks sires for the ease with which their daughters will calve.
Milk EBV: an important component of fast growth to weaning is the dam's maternal
performance. A bull with a high milk EBV should produce daughters which milk well.
200, 400 & 600 Day Weight EBVs: an estimation of the animal's genetic potential for growth.
Carcase Weight EBV: ranks animals for carcase weight.
Eye Muscle Area (EMA) EBV: ranks animals for eye muscle area measured at the 12th rib on a
300kg carcase.
Rib Fat EBV: ranks animals for rib fat depth at the 12th rib on a 300kg carcase
Rump fat EBV: ranks animals for fat depth at the p8 site on the rump on a 300kg carcase.
Retail Beef Yield Percent (RBY%): ranks animals for the yield of retail beef cuts from a 300kg
carcase.
Intra Muscular Fat Percent (IMF%): ranks animals for the percentage of intramuscular fat at the
12th rib of a 300kg carcase.
Scrotal Size EBV: indicates whether the bull will produce sons with above average or below
average scrotal sizes.
Docility EBV: is expressed as the increase or decrease in the percentage of progeny that will be
scored as docile (score 1 or 2). Positive EBVs indicate a higher proportion of progeny that will be
scored as docile and negative EBVs indicate a lower percentage of progeny being scored as
docile.
Comparing EBVs: The EBVs for Limousin cattle cannot be compared with EBVs for animals of
other breeds. They should be compared with the current average EBV for the Limousin breed
shown below:
Accuracies -Accuracies are presented with each EBV and give an indication of the amount of
information that has been used in the calculation of that EBV. The higher the accuracy the lower
the likelihood of change in the animal's EBV as more information is analyzed for that animal and
its relatives.
Mid Parent EBVs Where MP is shown for the accuracy of an EBV it is a mid parent value.
Disclaimer
The Estimated Breeding Values (EBVs) contained within this sale catalogue were compiled by
the Agricultural Business Research Institute (ABRI) from the data supplied by breeders. Neither
the Australian Limousin Breeders’ Society or ABRI oversee or audit the collection of this data.