Page 6 of articles about semen

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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Humor

Ireland: PRRS outbreak

The country’s largest producer of pig semen is investigating how blue ear disease has entered its boar stud.

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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.

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Effect of vaccination of PCV2-positive boars against PCV2 on characteristics of sperm motion

HealthArticle

PCV2: Possible transmission to sows through artificial insemination and effects on quality of boar semen

PCV2 can be shed into semen by infected boars and research suggests that the virus can then be transmitted to gilts and sows by AI causing reproductive failure but there is no evidence that PCV2 in semen has effects on various characteristics of sperm cells.

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Total number of piglets born according to the mating day

Genetics-ReproductionArticle

Nature is wise: Optimum moment for the mating

The author considers which is the ideal day for the mating and sets out the improvements in the results obtained when weaning on Monday.

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Press releases

JSR’s latest investment set to improve minimum sperm count per dose

Investment in the latest semen dosage counting technology will ensure all JSR semen products now offer customers even higher levels of consistency and far exceed existing industry audit standards.

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Press releases

British semen to Mexico

British pig-breeding company ACMC Ltd has been singled out to supply genetically-advanced semen to Mexico.

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Press releases

PIC and Besun join forces on China Nucleus Farm

PIC, a division of Genus plc and the world’s leading swine genetics company, announces agreement with the Besun Food Group to partner in the operation of a 4,250 sow nucleus farm in China’s Shaanxi province.

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Landrace boar in an artificial insemination centre

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NutritionArticle

The feeding of the boar

The great impact of the boar on the swine production (up to more than 6,000 piglets produced by boar and year) determines the great interest in the study of any factor that can have an incidence on its production results.

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Working definitions of BTW herd PRRS management

HealthArticle

A systematic management strategy for breeding herds based on PRRS herd status

It was developed in USA as a way to improve communication of what needed to be done to improve the chances of success in stabilizing and managing breeding herds.

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Abstract

Effect of nutrition on boar semen quality

Boars need to be treated as individuals and fed accordingly. It is advisable to weigh the boars frequently to maintain the correct plane of nutrition.

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HealthArticle

Clinical case: Reproductive failure

There was an increase of repetitions in females (at 17-28 days, cyclic and acyclic, with a repeat rate of 22%) and mucous-like, white to brown (chocolate) vulvovaginal discharge hours after artificial insemination.

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News

Canada: Government helps swine producers boost exports

Investment of more than $1.3 million to help the Canadian Swine Exporters Association (CSEA) increase its international marketing and promotion of Canadian purebred swine genetics.