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 4.51
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -3.28 -0.375 1.23
Prot (kg) -5.79 -0.441 2.56
Fertility Sub Index 0.61
Calving Interval (days) -0.58 -1.459 0.85
Survival (%) -0.21 1.117 -0.23
Calving Sub Index -1.19
Gestation Length (days) 1.29 -0.919 -1.19
Beef Sub Index 0.30
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.26 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index 5.80

* Based on an €80/tonne carbon price