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 5.56
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -5.76 -0.375 2.16
Prot (kg) -5.13 -0.441 2.26
Fertility Sub Index 2.95
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) -1.75 1.117 -1.96
Calving Sub Index -3.65
Gestation Length (days) 3.97 -0.919 -3.65
Beef Sub Index -1.18
Carcass Weight (kg) 3.50 -0.528 -1.85
Age of Slaughter (days) -1.54 -0.432 0.66
Maintenance Sub Index Maint. Sub Index -1.47
Live WT (kg) 4.80 -0.307 -1.47
Total Carbon Sub Index 2.21

* Based on an €80/tonne carbon price