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 11.74
Milk (kg) -343.00 -0.014 4.80
Fat (kg) -9.95 -0.375 3.73
Prot (kg) -7.28 -0.441 3.21
Fertility Sub Index 9.22
Calving Interval (days) -5.31 -1.459 7.75
Survival (%) 1.32 1.117 1.47
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.81
Carcass Weight (kg) -6.40 -0.528 3.38
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 31.20

* Based on an €80/tonne carbon price