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 7.85
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -6.62 -0.375 2.48
Prot (kg) -6.87 -0.441 3.03
Fertility Sub Index 5.85
Calving Interval (days) -5.10 -1.459 7.44
Survival (%) -1.42 1.117 -1.59
Calving Sub Index -2.41
Gestation Length (days) 2.62 -0.919 -2.41
Beef Sub Index 4.84
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) -4.38 -0.432 1.89
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 20.67

* Based on an €80/tonne carbon price