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 34.55
Milk (kg) -791.00 -0.014 11.07
Fat (kg) -30.46 -0.375 11.41
Prot (kg) -27.35 -0.441 12.07
Fertility Sub Index 7.38
Calving Interval (days) -3.59 -1.459 5.24
Survival (%) 1.92 1.117 2.15
Calving Sub Index -0.87
Gestation Length (days) 0.95 -0.919 -0.87
Beef Sub Index 0.85
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) -0.87 -0.432 0.38
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 43.11

* Based on an €80/tonne carbon price