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 5.94
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -7.47 -0.375 2.80
Prot (kg) -3.21 -0.441 1.42
Fertility Sub Index 1.95
Calving Interval (days) -0.94 -1.459 1.37
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.03
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.38 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 10.46

* Based on an €80/tonne carbon price