Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 12.84
Milk (kg) -273.00 -0.014 3.82
Fat (kg) -11.20 -0.375 4.20
Prot (kg) -10.92 -0.441 4.82
Fertility Sub Index 6.10
Calving Interval (days) -3.79 -1.459 5.53
Survival (%) 0.51 1.117 0.57
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index 0.78
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.83 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 23.99

* Based on an €80/tonne carbon price