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 0.51
Milk (kg) -98.00 -0.014 1.37
Fat (kg) 2.89 -0.375 -1.08
Prot (kg) -0.49 -0.441 0.22
Fertility Sub Index 8.01
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 2.02 1.117 2.26
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.09
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.40 -0.432 -0.17
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 18.50

* Based on an €80/tonne carbon price