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 9.21
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -10.79 -0.375 4.04
Prot (kg) -6.67 -0.441 2.94
Fertility Sub Index 6.07
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 1.78 1.117 1.99
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.23
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 25.36

* Based on an €80/tonne carbon price