Page 4 of articles about prolificacy

Anaemia in the sow: a cohort study to assess factors with an impact on haemoglobin concentration

There is no evidence of a relation between haemoglobin concentration and the number of total born, stillborn or number of piglets alive at three weeks and the next breeding performance.

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NutritionAbstract

Rapeseed meal on gestation and lactation diets on the performance of sows and their litters

The inclusion of rapeseed meal until 10% does not affect sow reproductive or litter performance.

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NutritionAbstract

n-3 fatty acid supplementation in sows

Feeding n-3 fatty acids to gilts may improve litter growth, but does not affect subsequent reproductive performance.

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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.

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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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2 6

ManagementArticle

How many nurse sows do I need today?

A simple method to facilitate the daily calculation of the nurse sows needed for the correct running of the farrowing quarters in a hyperprolific sows system.

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NutritionAbstract

Dietary carbohydrate sources affect plasma glucose, insulin and IGF-I levels in multiparous sows

Plasma insulin could be modulated by dietary carbohydrates in sows.

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Abstract

Developmental factors that influence sow longevity

Those factors that were significantly associated with longevity, regardless of definition, were age at first farrowing, litter size at first farrowing and last farrowing...

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Abstract

Effects of altrenogest treatments before and after weaning on follicular development, farrowing rate, and litter size in sows

The different altrenogest treatments before weaning did not prevent the growth of follicles before weaning and similarly affected subsequent follicle development and fertility.

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Press releases

TOPIGS sows: 28.8 weaned piglets per year

Pig farms with TOPIGS sows produced an average of 28.8 weaned piglets per sow per year in 2011. The top 10% of farms achieved 31.6 weaned piglets per sow per year.

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Abstract

Litter size at nursing and maternal parity did not affect future fertility in the gilt

14.7 total born piglets were found both in gilts that were nursed in litters of 9 and of 13 piglets.

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NutritionAbstract

Effect of dietary organic and inorganic selenium in hyperovulatory first-parity gilts

Selenium status of gilts is affected by both the quantity and the source of dietary selenium.

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Abstract

The imprinted gene DIO3 is a candidate gene for litter size in pigs

The results of this study indicate a possible association between the imprinted gene DIO3 and female fertility traits in pigs.

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NutritionAbstract

Varying creep feed duration affects pre-weaning and post-weaning performance and behavior of piglet and sow

Creep feed initiated from day 5 and 10 reduce diarrhea scores in piglets and the estrus interval in sows.

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Abstract

Effect of day of mixing gestating sows on reproductive fertility

These results suggest that mixing sows in the 1st or 2nd week of gestation can result in reduced conception and farrowing rates when compared to housing sows in stalls.

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ManagementArticle

The dilemma of fostering on the first day of life

The ingestion of Ig in sufficient quantity is the first priority. So much so that it even comes before the factor that seems most important: the feed supply.