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 1.58
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -1.16 -0.375 0.43
Prot (kg) -1.36 -0.441 0.60
Fertility Sub Index 6.88
Calving Interval (days) -3.23 -1.459 4.71
Survival (%) 1.94 1.117 2.17
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.23
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 18.12

* Based on an €80/tonne carbon price