Skip navigation


Search

Search
Search In :

Trial report 969: Fertility higher with pooled Duroc semen than with semen from one boar

Litter size increased by 0.3 piglets when sows were inseminated with semen doses containing sperm from several boars than from just one boar.

The aim of this trial was to investigate the fertility of semen doses that contain sperm from either one, three or six Duroc boars.

The trial was conducted on five different farms where sows were randomly assigned to three different groups:

Group 1: Sows were inseminated with semen doses containing sperm from one boar.
Group 2: Sows were inseminated with semen doses containing sperm from three boars.
Group 3: Sows were inseminated with semen doses containing sperm from six boars.

Results revealed that when the semen dose contained sperm from several boars, litter size – measured as total born piglets – increased by 0.3 piglets compared with doses containing sperm from just one boar.

This has consequently lead to the decision that in the future commercial semen doses from Danish DanAvl AI stations will always consist of sperm from minimum three boars. Economically, the increase in litter size of 0.3 piglets corresponds to approx. DKK 150 per sow/year [1].

 

Funding

The trial was financially supported by the Pig Levy Fund and the EU and the Rural District Programme under the Ministry of Food, Agriculture and Fisheries of Denmark. Activity no. 50-351900. File no: 3663-D-10-00461.

Updated: 26.06.2013

Author

Marie Louise Petersen

Project manager

Tel.: +45 3339 4391

E-mail: mlp@lf.dk

Statistik