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 5.72
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -7.07 -0.375 2.65
Prot (kg) -3.05 -0.441 1.35
Fertility Sub Index 2.37
Calving Interval (days) -1.13 -1.459 1.65
Survival (%) 0.65 1.117 0.73
Calving Sub Index -1.11
Gestation Length (days) 1.21 -0.919 -1.11
Beef Sub Index -4.25
Carcass Weight (kg) 6.10 -0.528 -3.22
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index 1.35

* Based on an €80/tonne carbon price