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 3.06
Milk (kg) -260.00 -0.014 3.64
Fat (kg) 4.42 -0.375 -1.66
Prot (kg) -2.44 -0.441 1.08
Fertility Sub Index 3.59
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 0.93 1.117 1.04
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index 3.78
Carcass Weight (kg) -10.40 -0.528 5.49
Age of Slaughter (days) 3.96 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 7.14
Live WT (kg) -23.30 -0.307 7.14
Total Carbon Sub Index 18.22

* Based on an €80/tonne carbon price