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 4.38
Milk (kg) -248.00 -0.014 3.47
Fat (kg) -4.00 -0.375 1.50
Prot (kg) 1.34 -0.441 -0.59
Fertility Sub Index 5.93
Calving Interval (days) -3.70 -1.459 5.40
Survival (%) 0.48 1.117 0.54
Calving Sub Index 1.62
Gestation Length (days) -1.76 -0.919 1.62
Beef Sub Index 1.80
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 17.16

* Based on an €80/tonne carbon price