Essential Guides on Swine Health and Production. Artificial Insemination and Hormone Management in the Sow
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Essential Guides on Swine Health and Production. Artificial Insemination and Hormone Management in the Sow

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This guide is a visual and practical explanation of what should happen from the moment when you receive the semen from the artificial insemination centre, until the moment when the sow is inseminated, with a focus on the use of refrigerated semen: conservation and management of seminal doses, oestrus detection, identification of the best time for insemination, insemination methods, and hormonal control of oestrus and ovulation.

María Victoria Falceto Recio

María Victoria Falceto Recio is professor of Reproduction and Obstetrics at the Faculty of Veterinary Medicine of the University of Zaragoza (UZ) and academic coordinator of Pig Production as part of the undergraduate programme in veterinary medicine.

She has been head of the Reproductive Consultancy Service at the Faculty of Veterinary Medicine (UZ) since 2003, and codirector of the Joint Master’s Degree Programme in Pig Health and Production organised by the universities of Lleida, Zaragoza, Barcelona and Madrid since 2006.

She has authored or coauthored numerous scientific articles published in Spanish and international journals and is the author of the handbook Essential guides on swine health and production. Ovarian pathophysiology in the sow, published by Servet.

María Victoria has vast experience in the pig production industry, both from an academic and scientific perspective, as well as from a practical one. For this reason, she is secretary of the Spanish Association of Swine Veterinary Practitioners (ANAVEPOR), a member of the Board of Directors of the Aragon Association of Swine Veterinary Practitioners (AVPA) and a member of the Spanish Scientific Pig Farming Association (ANAPORC).

1. AI in pigs: current approach

2. Oestrus detection in the sow

Oestrous cycle

Signs of oestrus

Detection of oestrus

Choice of staff and boar

Frequency of detection of oestrus

Sows requiring detection of oestrus

Methods for oestrus detection

Consequences of poor oestrus detection

3. Timing of artificial insemination

When to inseminate

Insemination based on estimating the moment of ovulation

Duration of oestrus

Measuring luteinising hormone (LH)

Temperature of the vulva

Vaginal cytology

Electrical resistance of the vaginal mucus

Ultrasound examination of the ovary

Fixed-time artificial insemination

Using hormones to induce and synchronise ovulation

Use of encapsulated semen

When to stop inseminating

4. Methodology of artificial insemination

Preparation of the semen

Microscopic evaluation of the semen before artificial insemination

Management of semen doses on the farm

Preparing the equipment required for artificial insemination


Common features of all AI techniques

Hygiene during AI

Introducing the catheter into the sow’s vagina

Intracervical insemination

Catheters for IC-AI

IC-AI method

Semen dose characteristics for IC-AI

Duration of intracervical insemination

Backflow from the vulva

Stimulation of the sow during IC-AI

Postcervical intrauterine insemination

Catheters for PC-AI

PC-AI method

Semen dose characteristics for PC-AI

Advantages of PC-AI

Deep intrauterine insemination

Catheters for DIU–AI

DIU-AI method

Semen dose characteristics for DIU-AI

Advantages and disadvantages

Use of seminal additives during artificial insemination

5. Hormonal control of oestrus

Induction of oestrus

Differentiating between anoestrus and pseudoanoestrus

Hormones that stimulate the ovaries

Absence of oestrus after hormonal induction

Synchronising oestrus

Hormones for synchronisation of oestrus

Absence of oestrus after synchronisation

Duration of treatment

Other uses for altrenogest on the farm

Induction and synchronisation of ovulation

When to induce ovulation during the oestrous cycle

Hormones for induction of ovulation

Advantages of a single fixed-time insemination


  • Autor/es María Victoria Falceto Recio
  • Fecha de edición julio 2018
  • Nº Páginas 88
  • Encuadernación Tapa blanda. Wire-o
  • Tamaño 17 X 11
  • Idioma Inglés

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