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 5.78
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -4.63 -0.375 1.73
Prot (kg) -4.22 -0.441 1.86
Fertility Sub Index 5.44
Calving Interval (days) -2.44 -1.459 3.56
Survival (%) 1.68 1.117 1.88
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.17
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 19.83

* Based on an €80/tonne carbon price