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 5.75
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -4.17 -0.375 1.56
Prot (kg) -3.69 -0.441 1.63
Fertility Sub Index 1.31
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) -0.73 1.117 -0.82
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index -0.68
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) -0.88 -0.432 0.38
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 8.50

* Based on an €80/tonne carbon price