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 2.51
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -1.03 -0.375 0.39
Prot (kg) -2.14 -0.441 0.94
Fertility Sub Index 2.25
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) 0.56 1.117 0.63
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.05
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.19 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 14.55

* Based on an €80/tonne carbon price