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 2.08
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -4.70 -0.375 1.76
Prot (kg) -0.19 -0.441 0.08
Fertility Sub Index 6.55
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 2.31 1.117 2.58
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.25
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 18.59

* Based on an €80/tonne carbon price