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 1.63
Milk (kg) -102.00 -0.014 1.43
Fat (kg) 3.46 -0.375 -1.30
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index 4.00
Calving Interval (days) -2.43 -1.459 3.55
Survival (%) 0.41 1.117 0.46
Calving Sub Index 0.64
Gestation Length (days) -0.70 -0.919 0.64
Beef Sub Index 0.17
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 4.62 -0.432 -1.99
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 10.86

* Based on an €80/tonne carbon price