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 4.52
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -7.70 -0.375 2.88
Prot (kg) -2.38 -0.441 1.05
Fertility Sub Index 9.38
Calving Interval (days) -5.25 -1.459 7.66
Survival (%) 1.54 1.117 1.72
Calving Sub Index 3.19
Gestation Length (days) -3.47 -0.919 3.19
Beef Sub Index 2.40
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) -8.01 -0.432 3.46
Maintenance Sub Index Maint. Sub Index -3.22
Live WT (kg) 10.50 -0.307 -3.22
Total Carbon Sub Index 16.28

* Based on an €80/tonne carbon price