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 -1.16
Milk (kg) 43.00 -0.014 -0.60
Fat (kg) 2.96 -0.375 -1.11
Prot (kg) -1.24 -0.441 0.55
Fertility Sub Index -6.07
Calving Interval (days) 3.35 -1.459 -4.89
Survival (%) -1.06 1.117 -1.18
Calving Sub Index 1.46
Gestation Length (days) -1.59 -0.919 1.46
Beef Sub Index 1.06
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 3.78 -0.432 -1.63
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index -2.67

* Based on an €80/tonne carbon price