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 2.47
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) -1.67 -0.375 0.63
Prot (kg) -4.75 -0.441 2.10
Fertility Sub Index -1.97
Calving Interval (days) 0.97 -1.459 -1.42
Survival (%) -0.50 1.117 -0.56
Calving Sub Index 0.26
Gestation Length (days) -0.28 -0.919 0.26
Beef Sub Index -0.32
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 4.77 -0.432 -2.06
Maintenance Sub Index Maint. Sub Index -1.26
Live WT (kg) 4.10 -0.307 -1.26
Total Carbon Sub Index -0.82

* Based on an €80/tonne carbon price