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 7.63
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -5.59 -0.375 2.09
Prot (kg) -8.23 -0.441 3.63
Fertility Sub Index 6.28
Calving Interval (days) -3.49 -1.459 5.09
Survival (%) 1.06 1.117 1.18
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 0.22
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 18.15

* Based on an €80/tonne carbon price