articles about sow

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.

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NutritionAbstract

Effect of feeding sows with milk biofortified with n-6 and n-3 on the immune status of sows and their piglets

Milk biofortified with n-6 and n-3 may improves the immune status of sows and promotes positive transgenerational effects.

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NutritionAbstract

Improving sow and litter performance, health, and gut microbiota with a probiotic supplement based on bacillus strains

Probiotic supplementation through gestation and lactation may improve sow performance and piglet health.

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Figure 1. Effects of fiber as a nutritional intervention in sow diets.

NutritionArticle

Advances in the use of dietary fiber in sow nutrition

The use of dietary fiber in sow nutrition is rapidly evolving and is now considered a functional component in nutrition due to its effects on gut functionality, microbiota balance, and the modulation of digestion and metabolism.

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