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 -2.03
Milk (kg) 5.00 -0.014 -0.07
Fat (kg) 3.30 -0.375 -1.24
Prot (kg) 1.63 -0.441 -0.72
Fertility Sub Index 4.62
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) 0.53 1.117 0.59
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.85
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.23 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 12.30

* Based on an €80/tonne carbon price