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 2.56
Milk (kg) -210.00 -0.014 2.94
Fat (kg) 1.42 -0.375 -0.53
Prot (kg) -0.34 -0.441 0.15
Fertility Sub Index 6.83
Calving Interval (days) -3.38 -1.459 4.93
Survival (%) 1.70 1.117 1.90
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.00
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -2.19 -0.432 0.95
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 13.10

* Based on an €80/tonne carbon price