Partners Networking to Advance South Island Dairying

Stock Mating

Mating programme - Spring 2016

KiwiX DNA for 365 cows [F8-F16]; Holstein Friesian Daughter Proven for 280 cows [F0-F7] then follow with Jersey bulls. Heifers start mating 10 days early, Syncro + Ai the natural mate for 9 weeks. 10 weeks mating for milking herd. Expect to rear 150 heifers.

Breeding Worth (rel%) / Production Worth (rel%)  99/46 / 128/66
Recorded Ancestry 99%
Average weight / cow (Dec) - (30) - Herd monitored walk over weighing 488 kg [Dec 2016]
Calving start date Heifers 18 July, Herd 1 August 2016
Mid calving date 12 August 2016 [15 days]
Mating start date 25 October 2016 (heifers 10 days earlier)
Empty rate (nil induction policy) after 10 weeks mating 14% 2015-2016 [6 weeks in-calf rate 69%]
 
Overview Reproductive Results - 2016 mating

 

6 week InCalf Rate 2016 Mating

 Key reproductive metrics over time mating 2016

 
The decrease in 3 week in calf rate is thought to be at least partially influenced by IBR in the first calvers at the beginning of mating.

Key reproductive metrics over time mating 2016 3 week

 

Click here to view the Fertility Focus Report - February 2017