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 4.15
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -0.58 -0.375 0.22
Prot (kg) -4.35 -0.441 1.92
Fertility Sub Index -3.63
Calving Interval (days) 1.75 -1.459 -2.55
Survival (%) -0.96 1.117 -1.07
Calving Sub Index 0.10
Gestation Length (days) -0.11 -0.919 0.10
Beef Sub Index -0.49
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.60 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 2.55

* Based on an €80/tonne carbon price