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 3.84
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -3.68 -0.375 1.38
Prot (kg) -4.19 -0.441 1.85
Fertility Sub Index 2.52
Calving Interval (days) -2.32 -1.459 3.38
Survival (%) -0.77 1.117 -0.86
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.08
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.66 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 8.11

* Based on an €80/tonne carbon price