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 8.36
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -6.76 -0.375 2.53
Prot (kg) -8.09 -0.441 3.57
Fertility Sub Index -2.06
Calving Interval (days) 1.12 -1.459 -1.63
Survival (%) -0.38 1.117 -0.42
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 1.90
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 2.45 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index 0.52
Live WT (kg) -1.70 -0.307 0.52
Total Carbon Sub Index 9.09

* Based on an €80/tonne carbon price