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 2.75
Milk (kg) -132.00 -0.014 1.85
Fat (kg) 2.03 -0.375 -0.76
Prot (kg) -3.76 -0.441 1.66
Fertility Sub Index 6.04
Calving Interval (days) -2.24 -1.459 3.27
Survival (%) 2.48 1.117 2.77
Calving Sub Index 1.75
Gestation Length (days) -1.90 -0.919 1.75
Beef Sub Index -7.03
Carcass Weight (kg) 6.50 -0.528 -3.43
Age of Slaughter (days) 8.34 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index 1.97

* Based on an €80/tonne carbon price