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 4.72
Milk (kg) -184.00 -0.014 2.58
Fat (kg) -0.54 -0.375 0.20
Prot (kg) -4.41 -0.441 1.95
Fertility Sub Index 0.59
Calving Interval (days) -0.43 -1.459 0.63
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.08
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 6.99

* Based on an €80/tonne carbon price