Page 27 of articles about genetics-reproduction

Supplying the sows with paper to improve their welfare.

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Paper in the farrowing quarters: not only for the piglets...

It is easy to see the reaction of the sows (of all of them!) when we supply them with paper. A handful in front of their snout or at the reach of their mouth is enough... oxytocin! It is like giving an injection!

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NutritionAbstract

Palygorskite dietary supplementation effects on back fat mobilization, leptin levels and oxidative stress in sows

The use of palygorskite in sow diets reduces oxidative stress in gestating sows.

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HealthAbstract

Impact of maternally derived immunity on piglets’ immune response and protection against PCV2 after vaccination at different age

This study was aimed at evaluating the clinical protection, the level of Porcine circovirus type 2 (PCV2) viremia and the immune response (antibodies and IFN-γ secreting cells (SC)) in piglets derived from PCV2 vaccinated sows and themselves vaccinated against PCV2 at different age, namely at 4, 6 and 8 weeks.

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Genetics-ReproductionAbstract

Using first and second parity number born alive information to estimate later reproductive performance in sows

Early parity number born alive classification effectively predicts later parity performance. Sows classified as high in both parity one and in parity two had larger litters in later parities.

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Genetics-ReproductionAbstract

Optimization of post-cervical artificial insemination in gilts: Effect of cervical relaxation procedures and catheter type

Post-cervical (pC) artificial insemination (AI) has been successfully developed for application in multiparous sows, although it has proved problematic in gilts. This study analyzes the use of pC-AI in gilts by two experiments.

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News

UK pig semen to improve pork quality in India

This latest move forms part of a large-scale development of the Punjabi pig sector and experts say it could open the door to other British suppliers.

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ManagementAbstract

Pig castration: will the EU manage to ban pig castration by 2018?

This study provides descriptive information on the practice of piglet castration across 24 European countries.

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NutritionAbstract

Omega-3 supplementation effect on metabolic and reproductive parameters in prepubertal gilts

Dietary polyunsaturated fatty acids supplementation may be useful to stimulate puberty onset on gilts.

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Genetics-ReproductionArticle

Clinical case: Increase of returns in summer and low annual prolificacy

The farm reports a problem of low prolificacy (mean annual live births of 11.91) and low fertility in summer, with a marked increase in acyclic returns.

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Fig. 2 Subsequent return occurrences in first-returned female pigs by parity.

Genetics-ReproductionArticle

NPD: An invisible component for herd productivity

We recommend that producers pay more attention to gilts and sows that are at risk of increasing NPD. Situations of increased risk are described.

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PorkNews

EU PIG: project created to help improve Europe’s pig industry

EU PIG is a new concept which aims to improve the connection between producers and the latest science, husbandry techniques and technologies from within their industry via fellow producers, academics and advisors connected through thematic and regional platforms.

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ManagementAbstract

The performance and behaviour of gilts and their piglets is influenced by whether they were born and reared in farrowing crates or farrowing pens

The current study demonstrated that the expression of some piglet-directed behaviour was influenced by the system in which a gilt was born and reared.

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Evolution of the distribution of pre-weaning mortality depending on the age at death in the last ten years.

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ManagementArticle

"Ghost sows" and the other 8 most frequent errors when processing data (2/2)

This second part deals with the problems caused by not recording properly the cause of abortions, sows and piglets deaths, nurse sows and hormonal treatments.

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Genetics-ReproductionAbstract

Effect of Pseudomonas aeruginosa on sperm capacitation and protein phosphorylation of boar spermatozoa

The present study provides novel data regarding the effects of bacterial contamination on boar sperm, suggesting that the presence of P aeruginosa affects the fertilizing ability of boar sperm by altering its ability to accomplish IVC.

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Genetics-ReproductionAbstract

Litter-of-origin trait effects on gilt development

Colostrum consumption, birth weights, preweaning growth rate, number weaned, and parity are associated with gilt development traits during later life.

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ManagementAbstract

The effects of male and female immunocastration on meat quality of pigs intended for dry-cured ham

It can be concluded that immunocastration could be interesting in pigs intended for dry-cured ham elaboration because in males improved the feed conversion ratio with no penalization of carcass or meat quality.