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 7.40
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -6.09 -0.375 2.28
Prot (kg) -6.53 -0.441 2.88
Fertility Sub Index 7.15
Calving Interval (days) -3.44 -1.459 5.02
Survival (%) 1.91 1.117 2.13
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.37
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.58 -0.432 0.68
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 27.10

* Based on an €80/tonne carbon price