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 6.53
Milk (kg) -243.00 -0.014 3.40
Fat (kg) -1.24 -0.375 0.46
Prot (kg) -6.03 -0.441 2.66
Fertility Sub Index 4.54
Calving Interval (days) -1.73 -1.459 2.52
Survival (%) 1.80 1.117 2.01
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index -0.07
Carcass Weight (kg) -7.50 -0.528 3.96
Age of Slaughter (days) 9.33 -0.432 -4.03
Maintenance Sub Index Maint. Sub Index 9.60
Live WT (kg) -31.30 -0.307 9.60
Total Carbon Sub Index 21.22

* Based on an €80/tonne carbon price