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 4.38
Milk (kg) 17.00 -0.014 -0.24
Fat (kg) -8.01 -0.375 3.00
Prot (kg) -3.67 -0.441 1.62
Fertility Sub Index 7.40
Calving Interval (days) -4.65 -1.459 6.78
Survival (%) 0.55 1.117 0.61
Calving Sub Index -1.41
Gestation Length (days) 1.53 -0.919 -1.41
Beef Sub Index 2.02
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -1.39 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 16.54

* Based on an €80/tonne carbon price