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 10.51
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -13.07 -0.375 4.90
Prot (kg) -7.07 -0.441 3.12
Fertility Sub Index 7.97
Calving Interval (days) -3.57 -1.459 5.21
Survival (%) 2.47 1.117 2.76
Calving Sub Index -1.98
Gestation Length (days) 2.15 -0.919 -1.98
Beef Sub Index -3.15
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 4.36 -0.432 -1.88
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 15.72

* Based on an €80/tonne carbon price