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 6.60
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -7.42 -0.375 2.78
Prot (kg) -6.59 -0.441 2.91
Fertility Sub Index 3.19
Calving Interval (days) -2.14 -1.459 3.12
Survival (%) 0.06 1.117 0.07
Calving Sub Index 0.85
Gestation Length (days) -0.93 -0.919 0.85
Beef Sub Index 1.59
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 2.56 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 15.60

* Based on an €80/tonne carbon price