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 4.69
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -1.82 -0.375 0.68
Prot (kg) -6.00 -0.441 2.65
Fertility Sub Index 14.62
Calving Interval (days) -7.73 -1.459 11.28
Survival (%) 2.99 1.117 3.34
Calving Sub Index -3.38
Gestation Length (days) 3.68 -0.919 -3.38
Beef Sub Index 0.02
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) -1.76 -0.432 0.76
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 17.42

* Based on an €80/tonne carbon price