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 -6.32
Milk (kg) 200.00 -0.014 -2.80
Fat (kg) 4.95 -0.375 -1.85
Prot (kg) 3.77 -0.441 -1.66
Fertility Sub Index -8.46
Calving Interval (days) 4.04 -1.459 -5.89
Survival (%) -2.30 1.117 -2.57
Calving Sub Index 1.82
Gestation Length (days) -1.98 -0.919 1.82
Beef Sub Index -0.75
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 3.20 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 4.23
Live WT (kg) -13.80 -0.307 4.23
Total Carbon Sub Index -9.48

* Based on an €80/tonne carbon price