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 1.60
Milk (kg) -101.00 -0.014 1.41
Fat (kg) 1.01 -0.375 -0.38
Prot (kg) -1.28 -0.441 0.56
Fertility Sub Index 6.35
Calving Interval (days) -3.04 -1.459 4.44
Survival (%) 1.71 1.117 1.91
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.34
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -1.76 -0.432 0.76
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 20.53

* Based on an €80/tonne carbon price