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 -1.60
Milk (kg) -5.00 -0.014 0.07
Fat (kg) 1.96 -0.375 -0.73
Prot (kg) 2.11 -0.441 -0.93
Fertility Sub Index -4.72
Calving Interval (days) 2.87 -1.459 -4.19
Survival (%) -0.48 1.117 -0.54
Calving Sub Index 1.43
Gestation Length (days) -1.56 -0.919 1.43
Beef Sub Index -1.66
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 3.48 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index -2.09

* Based on an €80/tonne carbon price