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 3.65
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -0.16 -0.375 0.06
Prot (kg) -5.59 -0.441 2.47
Fertility Sub Index 2.11
Calving Interval (days) -0.98 -1.459 1.43
Survival (%) 0.61 1.117 0.68
Calving Sub Index -0.21
Gestation Length (days) 0.23 -0.919 -0.21
Beef Sub Index -0.08
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.54 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index -3.31
Live WT (kg) 10.80 -0.307 -3.31
Total Carbon Sub Index 2.15

* Based on an €80/tonne carbon price