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 3.13
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -5.39 -0.375 2.02
Prot (kg) -0.81 -0.441 0.36
Fertility Sub Index 9.98
Calving Interval (days) -4.13 -1.459 6.03
Survival (%) 3.54 1.117 3.95
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.29
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.99 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 20.30

* Based on an €80/tonne carbon price