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 4.42
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -4.23 -0.375 1.58
Prot (kg) -4.49 -0.441 1.98
Fertility Sub Index 7.04
Calving Interval (days) -4.09 -1.459 5.97
Survival (%) 0.96 1.117 1.07
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 0.26
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.48 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 15.02

* Based on an €80/tonne carbon price