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 1.03
Milk (kg) -42.00 -0.014 0.59
Fat (kg) 1.56 -0.375 -0.58
Prot (kg) -2.33 -0.441 1.03
Fertility Sub Index 3.76
Calving Interval (days) -2.15 -1.459 3.14
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 0.52
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.14 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 8.78

* Based on an €80/tonne carbon price