Carbon Sub Index breakdown

Date of Evaluation Index Trait PTA * Carbon Cost (€) Contribution
PTA * Carbon Cost
Jul 2023 Milk Sub Index 6.64
Milk (kg) -239.00 -0.014 3.35
Fat (kg) -5.46 -0.375 2.05
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index 7.09
Calving Interval (days) -4.30 -1.459 6.27
Survival (%) 0.73 1.117 0.82
Calving Sub Index 2.68
Gestation Length (days) -2.92 -0.919 2.68
Beef Sub Index 2.67
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) -0.92 -0.432 0.40
Maintenance Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 25.33
* Based on an €80/tonne carbon price