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 5.53
Milk (kg) -9.00 -0.014 0.13
Fat (kg) -8.24 -0.375 3.09
Prot (kg) -5.26 -0.441 2.32
Fertility Sub Index 6.06
Calving Interval (days) -3.57 -1.459 5.21
Survival (%) 0.76 1.117 0.85
Calving Sub Index 0.93
Gestation Length (days) -1.01 -0.919 0.93
Beef Sub Index -1.73
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 2.55 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 12.84

* Based on an €80/tonne carbon price