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 1.12
Milk (kg) -160.00 -0.014 2.24
Fat (kg) 4.16 -0.375 -1.56
Prot (kg) -0.99 -0.441 0.44
Fertility Sub Index 8.00
Calving Interval (days) -3.98 -1.459 5.81
Survival (%) 1.96 1.117 2.19
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.17
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -2.09 -0.432 0.90
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 20.05

* Based on an €80/tonne carbon price