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 2.73
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -1.63 -0.375 0.61
Prot (kg) -1.76 -0.441 0.78
Fertility Sub Index 6.18
Calving Interval (days) -3.00 -1.459 4.38
Survival (%) 1.61 1.117 1.80
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 0.19
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 17.19

* Based on an €80/tonne carbon price