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Page 6 of articles about AI - artificial insemination

ManagementAbstract

Analysis of hygienic critical control points in boar semen production

The present study emphasizes the need for both training of the laboratory staff in monitoring HCCP in routine semen production and audits in such AI centers for the external control of hygiene parameters.

Genetics-ReproductionAbstract

Porcine semen as a vector for transmission of viral pathogens

Prevention of viral semen contamination should be the primary focus because it is easier to prevent contamination than to eliminate viruses once present in semen.

Genetics-ReproductionAbstract

Influences on semen traits used for selection of young AI boars

A minimum age is proposed for young boars to qualify for selection, or alternatively, age-related semen quality thresholds in young boars should be established.

Genetics-ReproductionAbstract

The post-cervical insemination does not impair the reproductive performance of primiparous sows

More than 85% of primiparous sows can be successfully post-cervical inseminated with doses containing 1.5 × 109 sperm cells in the absence of the boar during insemination without impairing the reproductive performance.

Catheter holding container

ManagementArticle

How to make a catheter holder

The goal of this trick is to make a practical, simple and cheap catheter holder.

Insemination with springs

2 4

ManagementArticle

Insemination with no hands

This trick consists in using a spring for holding the semen bag during the insemination.

Stimulation of the sow

3

ManagementArticle

Stimulate the sows as much as possible during their mating (G-spot)

Mating the stimulated sows eases the sperm transport to the oviduct, where they meet the ova.

Frozen semen

Frozen semen

Presence of sperm cells in the genital tract of sows after 2 inseminations

Genetics-ReproductionArticle

Encapsulated porcine semen: semen preservation, release kinetics, sperm transport, and results in the farm

Sows inseminated with encapsulated semen had more sperm cells concentration at the site of fertilization.

Gilts

6 3

ManagementArticle

At what age and weight should we inseminate our gilts?

20 years ago we inseminated gilts when too small, then we inseminated them when too heavy, and now we are returning to an intermediate weight.

Undiluted pig semen capsules

4

Genetics-ReproductionArticle

Benefits of semen encapsulation to swine artificial insemination

Encapsulation allows to reduce the dose per sow and a sequential release of sperm.

NutritionAbstract

The effect of pre- and post-mating dietary restriction on embryonic survival in gilts

Reducing post-mating feed intakes to maintenance levels impaired embryo survival.

Genetics-ReproductionAbstract

Effects of lactation length and boar contact in early lactation on expression of oestrus in multiparous sows

Boar contact is an effective method to stimulate oestrus within 26 days of farrowing in both lactating and weaned sows.

Comparative of the NPDs in 2012 classified according to the event. Average of the database (blue) vs the average on the analysed farm (green)

2

ManagementArticle

Non-productive days (1/2): €16,000 hidden in gestation

Let us see the case of a farm with 5 non-productive days more than the average of the farms with the same profile. Where are these days lost?

Genetics-ReproductionAbstract

Compounds from multilayer plastic bags cause reproductive failures in artificial insemination

This is the first described relationship between reproductive failure and toxic compounds released from plastic bags.

Boar semen

PRRSV transmission via boar semen

Monitoring protocols in boar studs are often insufficient to timely detect an infection.