Page 39 of articles about genetics-reproduction

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Abstract

An investigation of the impacts of induced parturition, birth weight, birth order, litter size, and sow parity on piglet serum concentrations of immunoglobulin G

Supervision of farrowing may allow for improved colostrum intake with benefits to passive immunity.

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Schematic representation of the major differences between plastic 0.25 ml mini-straws, with single (5 ml) and multiple Flat-bags

Genetics-ReproductionArticle

Simplified freezing of boar semen: possible?

Novel cryopreservation methods and containers are designed to increase semen cryosurvival without disturbing production of conventional liquid semen doses. This provides opportunities for gene banking and preserved fertility when inseminated deep intra uterine, alongside undisturbed commercial AI-dose production.

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Abstract

Pre-freezing and post-thawing quality of boar sperm for distinct portions of the ejaculate and as a function of protein bands present in seminal plasma

This study evaluated pre-freezing and post-thawing boar sperm quality in distinct portions of the ejaculates and identified protein bands potentially related to boar sperm tolerance to freezing.

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ManagementArticle

Coloured pegs for the identification of the number of returns to oestrus of the sows

The goal is to identify the number of returns to oestrus of the sows quickly and at a glance using coloured pegs.

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Abstract

Expression of the hepatic skatole- and androstenone-metabolising enzymes in entire male pigs of two live weights

The aim was to investigate an in vivo relationship between increased levels of testicular steroids and protein expression of the key enzymes involved in hepatic metabolism of skatole and androstenone.

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Abstract

Updated scientific evidence on the welfare of gestating sows kept in different housing systems

Recent papers found similar productivity, physiology, health, and behavior among individually or grouped sows during gestation.

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Humor

Assistance during the birth

About the importance of a good assistance during the birth...

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Abstract

Effect of preoperative meloxicam or tolfenamic acid administration on stress and pain induced by surgical castration in piglets

Tolfenamic acid tended to be more efficient than meloxicam both during and post-castration.

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We identify the sow with its final number (ID) in 2 ear tags

ManagementArticle

Ensuring the identification of the sows

We achieved it combining the use of two ear tags per sow together with their strategic location in order to avoid losses due to biting.

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News

Retail Council of Canada grocery members’ commitment on sow housing

The Retail Council of Canada believes that sows should be housed in an environment where their pregnancy, health and well-being are taken into highest consideration.

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Genetics-ReproductionArticle

What do we mean by the genomics revolution?

The key benefits from the use of DNA information are a greater overall genetic progress, improved selection for ‘difficult’ traits such as piglet survival and ...

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Abstract

The relationship of plasma urea nitrogen with growth traits and age at first estrus in gilts

PUN can be used to select gilts with increased efficiency of nutrient utilization without negatively impacting pubertal development.

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Abstract

Selection for increased number of piglets at day five after farrowing has increased litter size and reduced piglet mortality

Selection for litter size at day five after farrowing (LS5) was introduced in 2004 in order to increase number of piglets weaned and reduce piglet mortality in Danish Landrace and Yorkshire.

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PorkNews

Danish pig meat exports declined during 2012

With pig slaughtering declining by over 1m head during 2012 (from 20.4m to 18.9m), it was no surprise to see a decline in exports of Danish pig meat over the year.

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Abstract

Effect of dietary selenium on boar sperm quality

Supplementing a basal diet with organic or inorganic selenium did not affect semen quantity or sperm quality in fresh ejaculates.

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News

Colombia will be allowed to export pigs to Venezuela for reproductive purposes

For the exportation of pigs for reproductive purposes, the protocol signed by these two countries establishes that the animals must come from farms registered with the ICA.