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 0.59
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -1.64 -0.375 0.61
Prot (kg) 2.69 -0.441 -1.19
Fertility Sub Index 5.08
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 0.76 1.117 0.85
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.12
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -3.19 -0.432 1.38
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 12.84

* Based on an €80/tonne carbon price