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 -4.82
Milk (kg) 158.00 -0.014 -2.21
Fat (kg) 4.63 -0.375 -1.73
Prot (kg) 1.98 -0.441 -0.87
Fertility Sub Index -6.03
Calving Interval (days) 3.76 -1.459 -5.49
Survival (%) -0.49 1.117 -0.55
Calving Sub Index 2.03
Gestation Length (days) -2.21 -0.919 2.03
Beef Sub Index -0.14
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.41 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index -6.49

* Based on an €80/tonne carbon price