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 4.57
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -3.60 -0.375 1.35
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 1.71
Calving Interval (days) -0.85 -1.459 1.24
Survival (%) 0.42 1.117 0.47
Calving Sub Index -2.24
Gestation Length (days) 2.44 -0.919 -2.24
Beef Sub Index -3.76
Carcass Weight (kg) 8.80 -0.528 -4.64
Age of Slaughter (days) -2.04 -0.432 0.88
Maintenance Sub Index Maint. Sub Index -8.03
Live WT (kg) 26.20 -0.307 -8.03
Total Carbon Sub Index -7.75

* Based on an €80/tonne carbon price