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 10.15
Milk (kg) -223.00 -0.014 3.12
Fat (kg) -11.87 -0.375 4.45
Prot (kg) -5.84 -0.441 2.58
Fertility Sub Index 2.38
Calving Interval (days) -1.42 -1.459 2.07
Survival (%) 0.28 1.117 0.31
Calving Sub Index -0.93
Gestation Length (days) 1.01 -0.919 -0.93
Beef Sub Index -1.55
Carcass Weight (kg) 3.40 -0.528 -1.79
Age of Slaughter (days) -0.56 -0.432 0.24
Maintenance Sub Index Maint. Sub Index -0.43
Live WT (kg) 1.40 -0.307 -0.43
Total Carbon Sub Index 9.63

* Based on an €80/tonne carbon price