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 2.38
Milk (kg) 27.00 -0.014 -0.38
Fat (kg) -4.67 -0.375 1.75
Prot (kg) -2.28 -0.441 1.01
Fertility Sub Index -4.47
Calving Interval (days) 2.62 -1.459 -3.82
Survival (%) -0.58 1.117 -0.65
Calving Sub Index 0.85
Gestation Length (days) -0.92 -0.919 0.85
Beef Sub Index -0.35
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index -1.20

* Based on an €80/tonne carbon price