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 4.12
Milk (kg) -231.00 -0.014 3.23
Fat (kg) 1.98 -0.375 -0.74
Prot (kg) -3.69 -0.441 1.63
Fertility Sub Index 7.15
Calving Interval (days) -3.99 -1.459 5.82
Survival (%) 1.19 1.117 1.33
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 2.35
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 0.18 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 17.72

* Based on an €80/tonne carbon price