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 6.13
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -3.29 -0.375 1.23
Prot (kg) -6.54 -0.441 2.89
Fertility Sub Index 4.30
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 0.49 1.117 0.55
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 2.74
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 16.93

* Based on an €80/tonne carbon price