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 17.74
Milk (kg) -343.00 -0.014 4.80
Fat (kg) -15.59 -0.375 5.84
Prot (kg) -16.08 -0.441 7.10
Fertility Sub Index 3.05
Calving Interval (days) -2.34 -1.459 3.41
Survival (%) -0.33 1.117 -0.37
Calving Sub Index 0.25
Gestation Length (days) -0.27 -0.919 0.25
Beef Sub Index 1.08
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 25.88

* Based on an €80/tonne carbon price