Articles - Genetics and reproduction

History and current status of the Iberian breed, an autochthonous pig breed of the Iberian Peninsula.

Gilts have more returns to estrus... but why?

History and current status of Gascon pig breed. This French autochthonous breed, which almost disappeared, now enjoys a new boom.

History and current status of Black Slavonian (Crna slavonska) pig breed, an autochthonous pig breed in the Republic of Croatia.

History and current status of Cinta Senese pig breed, one of the Italian autochthonous pig breeds.

History and current status of Apulo-Calabrese pig breed, one of the Italian autochthonous pig breeds.

What is more important: the farm or genetics?

The history and current status of Bísaro pig, a Portuguese native breed belonging to the Celtic line.

Is it worth to purchase hyperprolific sows for my farm?

The history and current status of Basque pig breed, a South-West of France autochthonous swine breed.

The history and current status of Alentejano pig breed, a Portuguese autochthonous swine breed.

Pig reproduction and summer are not good friends, Heat comes, daylight hours drop, fertility decreases and the vets come across more reproductive pathology than during the rest of the year. Why doing always the same does not always yield the same result?

It is not only related to NPDs, but it can also have a greater impact than we first thought.

The morphological differences in the cervical wall and canal between multiparous and nulliparous sows require deep AI devices adapted to the characteristics of the nulliparous.

One of the indices that is generating much interest is the one referred to the number of weaned piglets per sow lifetime (WSL). This index refers to the total number of piglets that a sow has weaned throughout its productive life.

A farrow-to-finish farm went from 10% to 50% of returns to oestrus, and almost 90% of them were regular.

The key lies in gilt management ...

Occasionally, breeders end up using semen with a suboptimal fertilizing ability due to inadequate storage conditions.

We talk about weight and age at mating, stall adaptation, flushing, how to perform heat detection and insemination, the convenience or inconvenience of segregating the gilts

Returns increase in a PRRS-positive farm in the middle of a census increase plus a change of management in the batch farrowing system, from 3 weeks to 1.

One of the main tools to encourage the installation of extra lighting in the mating area is the data analysis, and more specifically the weaning-to-service interval.

The compounds responsible of boar taint can be reduced through feeding strategies, genetic selection and good management practices.

Weaning one or several weeks straight into pens, a week worth of space can be gained

This second part on AI stud management reviews the procedure for calculating sperm concentration and the elements that affect a correct assessment.