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 2.36
Milk (kg) -234.00 -0.014 3.28
Fat (kg) 5.00 -0.375 -1.87
Prot (kg) -2.17 -0.441 0.96
Fertility Sub Index 3.98
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) 0.79 1.117 0.88
Calving Sub Index 2.01
Gestation Length (days) -2.19 -0.919 2.01
Beef Sub Index 3.95
Carcass Weight (kg) -9.70 -0.528 5.12
Age of Slaughter (days) 2.71 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 8.80
Live WT (kg) -28.70 -0.307 8.80
Total Carbon Sub Index 21.09

* Based on an €80/tonne carbon price