Page 3 of articles about fertility

Consequences of different dietary energy sources during follicular development on subsequent fertility of cyclic gilts

These results suggest that it is possible to manipulate dietary insulin response in cyclic gilts and, thus, improve reproductive efficiency when feeding starch as the main energy source during the late luteal and follicular phases of the cycle.

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7 3

ManagementArticle

At what age and weight should we inseminate our gilts?

20 years ago we inseminated gilts when too small, then we inseminated them when too heavy, and now we are returning to an intermediate weight.

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Genetics-ReproductionAbstract

Measures of the ovaries and uterus during development of gilts selected for differences in uterine capacity

Selection for increased UC results in larger ovaries and uterine horns, but TRU was not useful for estimating these traits in gilts of the age studied.

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Genetics-ReproductionAbstract

Compounds from multilayer plastic bags cause reproductive failures in artificial insemination

This is the first described relationship between reproductive failure and toxic compounds released from plastic bags.

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Genetics-ReproductionAbstract

Supplementing cryopreservation media with reduced glutathione increases fertility of sows

Supplementing freezing media with 2 mm GSH greatly improves boar sperm cryopreservation technology, as it significantly improves the fertilizing ability of frozen-thawed spermatozoa.

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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

Piglet birth weight and litter uniformity: Effects of weaning-to-pregnancy interval and body condition changes in sows of different parities and crossbred lines

Litter uniformity is compromised by severe sow body condition loss during lactation and improved in sows with a prolonged WPI. These effects are likely related with (insufficient) restoration of follicle development.

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News

United Kingdom: wean more pigs to be more profitable

The aim is to help every producer move towards an extra three pigs per sow per year weaned.