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Page 10 of articles about gestation

Campaign 'Welcome to 2013' informs sow farmers about feeding stations

From 1 January 2013 all sow farmers in the EU will have to house pregnant sows in a group. In order to give a clear and complete picture of the options relating to group housing using pig feeding stations, the information campaign ’Welcome to 2013’ will be launched in September.

Incidence and prevention of early parturition in sows

The administration of altrenogest in late gestation is an effective and safe method to prevent early parturition and can counteract the reproductive losses because of premature farrowing, which may occur in a substantial part of the farrowing events.

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NutritionAbstract

Dietary seaweed extracts and fish oil supplementation in sows: performance, intestinal microflora, intestinal morphology, volatile fatty acid concentrations and immune status of weaned pigs

Maternal seaweed extract and fish oil supplementation from day 109 of gestation until weaning stimulates growth performance and starter feed intake in weaning pigs.

Protecting the pregnant sow from PRRS: Research findings

We evaluated the efficacy of serum inoculation to immunize gilts in prevention of reproductive PRRS following late-gestation challenge with the “homologous” virus.

NutritionArticle

The role of lean tissue in handling bodily reserves

In practice there aren’t any direct methods to measure lean reserves in the field. On an experimental level, generally, ultrasound machines are used to measure the loin thickness (LT) as an indicator of lean reserves (just as the dorsal fat measure, DFM, is taken as an indicator of fat reserves)

NutritionAbstract

Effect of dietary supplementation of oregano essential oils to sows on colostrums and milk composition, growth pattern and immune status of suckling pigs

Supplementing sow diets with 250 mg/kg of oregano essential oils during gestation and lactation did not affect the growth potential of and immune responses in suckling piglets.

Lechones de transición 1

ManagementArticle

Managing a 3-week batch system, weaning at the beginning of the week

This may be a good option when farrowings and litter control during the first days are the priority.

Individual sow housing benefits the animals - and people

A hog farmer from Friend, Neb., explains why sows are housed individually and how that individual care benefits the animals, helps maintain herd health and ultimately provides quality pork.

Gestación

ManagementArticle

Managing a 3-week batch system

On small farms it is better to group tasks on specific days, leaving other days with less tasks in order to organize days off...

NutritionAbstract

Limited and excess dietary protein during gestation affects growth and compositional traits in gilts and impairs offspring fetal growth

Gestation diets containing protein at 50 and 250% of recommendations led to marked changes in protein and fat metabolism in gilts resulting in fetal growth retardation of 15%.

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.

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.

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.

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.

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.

Inseminación artificial

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.