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 6.20
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -4.70 -0.375 1.76
Prot (kg) -5.08 -0.441 2.24
Fertility Sub Index 5.60
Calving Interval (days) -3.16 -1.459 4.61
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.34
Gestation Length (days) -0.37 -0.919 0.34
Beef Sub Index 0.01
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 15.28

* Based on an €80/tonne carbon price