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 3.91
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -3.40 -0.375 1.27
Prot (kg) -4.44 -0.441 1.96
Fertility Sub Index 3.79
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) 0.69 1.117 0.77
Calving Sub Index -0.13
Gestation Length (days) 0.14 -0.919 -0.13
Beef Sub Index -0.10
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.67 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 10.32

* Based on an €80/tonne carbon price