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 2.81
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -1.56 -0.375 0.58
Prot (kg) -2.23 -0.441 0.98
Fertility Sub Index 3.00
Calving Interval (days) -1.67 -1.459 2.44
Survival (%) 0.50 1.117 0.56
Calving Sub Index -0.39
Gestation Length (days) 0.42 -0.919 -0.39
Beef Sub Index 1.15
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.89 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 9.88

* Based on an €80/tonne carbon price