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 4.25
Milk (kg) -247.00 -0.014 3.46
Fat (kg) 1.62 -0.375 -0.61
Prot (kg) -3.16 -0.441 1.39
Fertility Sub Index 8.52
Calving Interval (days) -4.11 -1.459 6.00
Survival (%) 2.26 1.117 2.52
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.06
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.46 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 23.73

* Based on an €80/tonne carbon price