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 19.03
Milk (kg) -339.00 -0.014 4.75
Fat (kg) -17.59 -0.375 6.59
Prot (kg) -17.44 -0.441 7.70
Fertility Sub Index 6.31
Calving Interval (days) -4.55 -1.459 6.64
Survival (%) -0.29 1.117 -0.32
Calving Sub Index 0.25
Gestation Length (days) -0.27 -0.919 0.25
Beef Sub Index -0.84
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 3.42 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 27.72

* Based on an €80/tonne carbon price