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 5.11
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -3.76 -0.375 1.41
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index -0.60
Calving Interval (days) 1.09 -1.459 -1.59
Survival (%) 0.89 1.117 0.99
Calving Sub Index -1.63
Gestation Length (days) 1.77 -0.919 -1.63
Beef Sub Index 2.94
Carcass Weight (kg) -6.40 -0.528 3.38
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 11.80

* Based on an €80/tonne carbon price