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 0.61
Milk (kg) -105.00 -0.014 1.47
Fat (kg) 2.82 -0.375 -1.06
Prot (kg) -0.45 -0.441 0.20
Fertility Sub Index 7.75
Calving Interval (days) -3.72 -1.459 5.43
Survival (%) 2.08 1.117 2.32
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.18
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -0.52 -0.432 0.22
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 20.72

* Based on an €80/tonne carbon price