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 16.63
Milk (kg) -383.00 -0.014 5.36
Fat (kg) -14.20 -0.375 5.32
Prot (kg) -13.49 -0.441 5.95
Fertility Sub Index 7.99
Calving Interval (days) -5.53 -1.459 8.07
Survival (%) -0.07 1.117 -0.08
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.30
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 5.24
Live WT (kg) -17.10 -0.307 5.24
Total Carbon Sub Index 34.98

* Based on an €80/tonne carbon price