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 7.04
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -9.87 -0.375 3.70
Prot (kg) -4.41 -0.441 1.95
Fertility Sub Index 6.18
Calving Interval (days) -2.82 -1.459 4.11
Survival (%) 1.85 1.117 2.07
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -2.05
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 7.19 -0.432 -3.10
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 15.91

* Based on an €80/tonne carbon price