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 9.00
Milk (kg) -250.00 -0.014 3.50
Fat (kg) -6.95 -0.375 2.60
Prot (kg) -6.57 -0.441 2.90
Fertility Sub Index -1.09
Calving Interval (days) -0.73 -1.459 1.07
Survival (%) -1.93 1.117 -2.16
Calving Sub Index 1.54
Gestation Length (days) -1.67 -0.919 1.54
Beef Sub Index 2.52
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.42 -0.432 1.04
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 14.12

* Based on an €80/tonne carbon price