From mature dams, average birth-weights are:

Fresian, 30-35 kg

Hereford, 30-33 kg* Coopworth, 4.8-5.2kg*

Jersey, 22-25 kg

Romney, 4.0-5.0 kg* Perendale, 4.5-5.0 kg*

Angus, 28-31 kg

   

*Twins 0.5 kg lighter


Metrication and Lamb Grading Charges

 

Grade Mark Weight (kg) Fat Content

P's

PL
P M
PX
PH
9.0 - 12.5
13.0 - 16.0
16.5 - 20.0
20.5 - 25.5
medium

Trimmer


Y's

TL
TM
TH
YL
YM
9.0 - 12.5
13.0 - 16.0
16.5 - 25.5
9.0 - 12.5
13.0 - 16.0
Heavy


Light

Alpha

A less than 9.0 Almost devoid

F

FL
FM
FH
9.0 - 12.5
13.0 - 16.0
16.5 - 25.5
Excessive

Cutter

CL
CM
CH
9.0 - 12.5
13.0 - 16.0
16.5 - 25.5