Page 37 of articles about sow

The metabolic availability of threonine in common feedstuffs fed to adult sows is higher than published ileal digestibility estimates

Using ileal digestibility values determined in growing pigs to formulate sow diets may lead to overfeeding of sows with protein and can negatively affect overall production efficiency through increased cost and excess nitrogen excretion.

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NutritionAbstract

Analysis of water, feed intake and performance of lactating sows

An enhanced feed and water intake during lactation may increase weaning weight of piglets and decreases relative body weight loss of sows.

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Abstract

Interaction of zearalenone and soybean isoflavone on the development of reproductive organs, reproductive hormones and estrogen receptor expression in prepubertal gilt

The aim of the present study was to investigate the interactive effect of zearalenone (ZEA) and soybean isoflavone (ISO) on the development of reproductive organs, reproductive hormones and estrogen receptor expression in prepubertal gilts.

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Abstract

Bacterial flora on the mammary gland skin of sows and in their colostrum

This is, to the authors’ knowledge, the first published study to determine the bacterial flora in skin and colostral milk samples of a limited number of sows with clinically healthy mammary glands.

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News

United Kingdom - Sow numbers set to fall through 2011

The size of the British pig breeding herd may slip below 418,000 sows (from 2007's 436,000 sows), causing pig producers to face a further period of negative margins, according to market analysts at the latest Outlook conference of the Agricultural and Horticultural Development Board.

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NutritionAbstract

The threonine requirement of sows increases in late gestation

Feeding a single amount of amino acids (AA) throughout gestation results in overfeeding AA in early gestation and underfeeding AA in late gestation.

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ManagementArticle

Task organization: What day of the week should we wean? Several weanings per week

On large farms, it is common to wean more than once per week. This way, tasks can be homogenized throughout the week: each day will have a similar volume of work as the previous day.

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Abstract

Effect of N,N-dimethylglycine supplementation in parturition feed for sows on metabolism, nutrient digestibility and reproductive performance

The current pilot study assessed the influence of N,N-dimethylglycine (DMG) on insulin sensitivity, glucose and fat metabolism, nutrient digestibility and reproductive performance of sows in the peripartal period.

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Article

Philippines: Swine industry situation and outlook

Despite the increases in the pork supply, deficit scenarios are expected in the 1st and 2nd quarters of 2011.

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Abstract

Dry sows in dynamic groups: An investigation of social behaviour when introducing new sows

The aim of this investigarion was to analyse the frequency of agonistic interactions (AI) and the lying behaviour of new and resident sows.

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NutritionAbstract

Effect of dietary supplementation of n-3 fatty acids and elevated concentrations of dietary protein on the performance of sows

Dietary supplementation of n-3 fatty acids during lactation improved the growth of nursing piglets.

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NutritionAbstract

Dose-response effect of fish oil substitution in parturition feed on erythrocyte membrane characteristics and sow performance

Osmotic resistance of erythrocytes was not altered by increasing amounts of n-3 PUFA, whereas oxidative stability of erythrocytes, as well as oxidative parameters in plasma, were affected.

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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

What day of the week should we wean?

A large part of the work on a swine farm can be divided into 3 key tasks: weaning, mating and farrowing. The day chosen for weaning determines the other two tasks; first, the matings, and then, as a consequence, the farrowings (the 2 ‘great events’ of which productivity of a farm depends on).

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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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News

Denmark - Expectations of 2013

In 2001, the EU decided that all sows must be housed loose by 2013, giving the pig producers 12 years to adapt. In Denmark, this legislation was introduced in 1998. To form an impression of the situation in Denmark, Hatting-KS, the Danish Pig Producers’ Association and Pig Research Centre forwarded questionnaires to all Danish sow farmers with more than 100 sows asking them about their expectations of 2013.