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 1.04
Milk (kg) -25.00 -0.014 0.35
Fat (kg) 2.33 -0.375 -0.87
Prot (kg) -3.53 -0.441 1.56
Fertility Sub Index -10.50
Calving Interval (days) 4.65 -1.459 -6.78
Survival (%) -3.33 1.117 -3.72
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 0.96
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 0.43
Live WT (kg) -1.40 -0.307 0.43
Total Carbon Sub Index -9.80

* Based on an €80/tonne carbon price