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 10.15
Milk (kg) -284.00 -0.014 3.98
Fat (kg) -7.96 -0.375 2.98
Prot (kg) -7.24 -0.441 3.20
Fertility Sub Index 6.40
Calving Interval (days) -4.07 -1.459 5.94
Survival (%) 0.41 1.117 0.46
Calving Sub Index -0.63
Gestation Length (days) 0.69 -0.919 -0.63
Beef Sub Index 1.47
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -0.11 -0.432 0.05
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 20.45

* Based on an €80/tonne carbon price