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 3.81
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -3.05 -0.375 1.14
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index 5.87
Calving Interval (days) -3.18 -1.459 4.64
Survival (%) 1.10 1.117 1.23
Calving Sub Index -0.04
Gestation Length (days) 0.04 -0.919 -0.04
Beef Sub Index 2.93
Carcass Weight (kg) -9.30 -0.528 4.91
Age of Slaughter (days) 4.58 -0.432 -1.98
Maintenance Sub Index Maint. Sub Index 8.09
Live WT (kg) -26.40 -0.307 8.09
Total Carbon Sub Index 20.66

* Based on an €80/tonne carbon price