Page 46 of articles about genetics-reproduction

Is it possible to control genetic defects?

The standard database for inherited traits and disorders in animal species (OMIA) lists 29 single-locus disorders, nine of these have been characterized at the molecular level, meaning that DNA testing may be used for control.

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Press releases

JSR Breeding Pigs Fly Into China

Over eight-hundred high health, genetically advanced breeding pigs have successfully touched down in China this week. The animals were transported from the UK onboard a specially chartered 747 aircraft on behalf of JSR Genetics.

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Abstract

Does group housing increase the risk of reproduction problems in French sow herds?

The aim of this study was to investigate reproductive performance and possible reproductive problems (late estrus, infertility, reasons for culling) in herds with either group‐housed or individually housed pregnant sows. In a second analysis, we evaluated the effects of different group housing systems.

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ManagementArticle

Mating guidelines (III)

In the last chapter we examined mating guidelines that came rather close to being ideal, given that they achieve the following objectives: At least one mating should be adjusted to meet the ideal time and achieve the first objective with the least number of matings.

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Article

What is the economic loss due to genetic defects?

An economic model was developed that assessed financial loss through the pyramid from nucleus to multiplier to commercial herd on a per litter basis for traits with an incidence higher than 0.10%.

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ManagementArticle

Mating guidelines (II)

The ideal mating guideline should follow 2 objectives: At least one mating should be adjusted to meet the ideal time and achieve the first objective with the least number of matings.

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Abstract

Reproductive performance of sows is affected by the dietary omega‐6 to omega‐3 fatty acid ratio

An experiment was conducted to determine the effects of the omega‐6 (n‐6) to omega‐3 (n‐3) fatty acid ratio in sow diets on reproductive performance and immunoglobulin profiles in sow colostrum and piglet serum.

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Article

How to process a litter

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ManagementArticle

Mating guidelines (I)

As mentioned in the previous chapter, theoretically, the ideal mating time is around 10-12 hours before ovulation.

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News

Denmark - Increase in pig mortality

Piglet mortality in Denmark has been increasing in line with increasing litter size. Scientists from the Faculty of Agricultural Sciences have reviewed existing knowledge about the problem and suggest methods to reducing it.

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Press releases

Thompson’s tip: Successful semen storage

Successful AI is an essential part of profitable pig farm performance. AI studs take great care over processing and handling semen to send out a product that is capable of giving results at levels comparable to, or better than, natural service.

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Press releases

Family Farms, Inc. in the Philippines forms strategic partnership with TOPIGS

TOPIGS and Family Farms, Inc in the Philippines have formalized a strategic pig genetics agreement which is composed of gilt multiplication and installation of a modern artificial insemination centers.

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Abstract

Phenotypic and Genetic Correlations between Gilt Estrus, Puberty, Growth, Composition, and Structural Conformation Traits with First Litter Reproductive Measures

The objective was to estimate correlations of gilt estrus, puberty, growth, composition, and structural conformation traits with first litter reproductive measures.

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News

USA - The US and Ukraine sign health protocol for swine semen

The bilateral health veterinary certificate for swine semen was finalized on January 6th, 2011. US swine genetics industry may proceed with shipments to Ukraine.

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Press releases

Pork CRC: Hot news on seasonal infertility in pigs

Although eliminating the costly problem of seasonal infertility in pigs is probably beyond us, considerable research, supported by Australia’s Pork Cooperative Research Centre (CRC), has been pulled together into how best to combat it

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ManagementArticle

Ideal mating time

The optimal fertilization of a sow depends on several factors, among them, mating in a specific moment of the oestrus.