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 15.78
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -22.04 -0.375 8.26
Prot (kg) -12.11 -0.441 5.34
Fertility Sub Index 7.69
Calving Interval (days) -5.98 -1.459 8.73
Survival (%) -0.93 1.117 -1.04
Calving Sub Index -3.44
Gestation Length (days) 3.74 -0.919 -3.44
Beef Sub Index 2.99
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -3.74 -0.432 1.61
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 27.31

* Based on an €80/tonne carbon price