articles about sow

Ergotism in an organic sow herd and the impact on lactation performance and subsequent reproductive performance

This case reports the level of ergot alkaloids and duration of exposure found under field conditions in a herd that experienced a high neonatal mortality event consequent to agalactia in the sows.

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NutritionAbstract

The effect of L-malic acid on the metabolic health of gestating sows and on skeletal muscle fiber remodelling in their offspring

Maternal L-malic acid consumption during gestation improves offspring muscle development and metabolic health.

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NutritionArticle

Vitamin and mineral nutrition for controlling problems in breeding sows

With the main genetic lines' rapid improvement in terms of prolificacy, feed conversion ratio, and other production parameters, the reference requirements for vitamins and minerals have become outdated.

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NutritionAbstract

Impact of dietary fiber on nutrient digestibility and gut microbiota of lactating sows

The inclusion of dietary fiber in lactating diets may directly depend on fiber source and their fermentability.

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Facilities-Equipment Abstract

333 Emerging Voices - Impact of nest covers on welfare and performance of temporarily crated sows and their piglets during lactation

This work supports the use of temporary crating as a viable alternative to conventional farrowing crates. Final thesis at the Department of Animal and Food Science of the Faculty of Veterinary Medicine, UAB, Spain, advised by Pol Llonch Obiols.

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HealthAbstract

Assessment of hemoglobin concentration in sows and their offspring over consecutive reproductive cycles

Decreasing sow hemoglobin concentration over the reproductive cycle and lack of post-weaning recovery in parity 3 indicates iron declines with advancing parity and may impact long-term health.

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NutritionPress releases

NOVUS: New book delivers insights on today’s sows

The topics covered in the new book "Nutrition and Production Strategies for Today's Sows" include sow and gilt nutrition, genetics, breeding, lactation, farrowing, and mortality.

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Genetics-ReproductionArticle

Key questions about heat stress: Fertility and productivity

This installment focuses on the effects of heat stress on sow fertility.

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NutritionAbstract

Effect of the probiotic Hungatella hathewayi on host estrogen levels via regulation of gut microbiota and host metabolism in sows

Dietary supplementation of Hungatella hathewayi may modulate gut microbiota and estrogen levels in sows.

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Photo 2. Precision feeding during sow lactation.

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Facilities-Equipment Article

Precision feeding for lactating sows: The path to sustainability and efficiency

Implementing precision feeding through the use of electronic feeders improves sow and piglet performance while providing economic, environmental, and animal welfare benefits.

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HealthAbstract

African swine fever virus vaccine strain Asfv-G-∆I177l reverts to virulence and negatively affects reproductive performance

ASFV-G-ΔI177L is not genetically stable and, therefore not safe for use in ASF vaccines. ASF vaccine candidates should be tested for safety in pregnant animals.

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Figure 1: Swine inventory in the United States as of June 1, 2025, in millions of head, year-on-year variations. Prepared by the Department of Economics and Sustainability of 333 Latin America with data from USDA - NASS.

Markets-EconomicsNews

USA shows slight rebound in swine inventory in June 2025

The number of piglets weaned per litter continues to increase, with a year-on-year variation of 1.6%.

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ManagementNews

Denmark publishes national average production data for 2024

The average productivity in sow herds increased by 0.8 pigs per yearling sow to 35.6 pigs per yearling sow.

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NutritionAbstract

Effects of increased essential fatty acid intake during lactation on sow’s reproductive performance

Dietary supplementation of essential fatty acids during lactation may improve reproductive performance in multiparous sows but not in primiparous sows.

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Facilities-Equipment Abstract

Ad libitum feeding systems for lactating sows: effects on productivity and welfare of sows and piglets

Data suggest that sows fed ad libitum eat what they need and can convert feed more efficiently into the piglets’ growth without additional weight loss.

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NutritionArticle

Nutrition and feeding management strategies to mitigate heat stress in lactating sows

The study confirms the negative impact of both chronic and acute heat stress on feed intake in lactating sows and validates nutritional and management strategies to mitigate it.