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 3.65
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -3.85 -0.375 1.44
Prot (kg) -0.90 -0.441 0.40
Fertility Sub Index 5.73
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 1.43 1.117 1.60
Calving Sub Index -1.49
Gestation Length (days) 1.62 -0.919 -1.49
Beef Sub Index -2.61
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 5.92 -0.432 -2.56
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 9.23

* Based on an €80/tonne carbon price