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Types of gestation losses that can lower the farrowing rate, detailing the different types of returns to estrus based on when they occur.

Genetics-ReproductionArticle

Causes of abortions occurring at a certain point in the gestation

What could be causing the abortions happening at a particular point in the gestation?

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Photo 2. Photo of some slightly corrugated small intestines (due to intestinal wall thickening) suggesting mild to moderately chronic and uncomplicated ileitis.  If the intestines we cut open, the thickening and corrugation would become more evident.

HealthArticle

Laboratory diagnostics: Ileitis (Lawsonia intracellularis)

What laboratory diagnostic methods can I use to diagnose ileitis? Which one should I choose according to the situation? How do I interpret the results?

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Image 4. External truck for deadstock pickup at a farm. Courtesy of Secanim (Spain).

HealthArticle

Biosecurity practices for deadstock management at the farm

Key biosecurity messages to move dead pigs out of the clean area of the farm to the deadstock management area prior to their treatment: external deadstock container, incinerator or hydrolysis container.

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Figure 1. Pure culture of haemolytic E. coli on a blood agar plate.  Note the clear zone around each bacterial colony indicating hemolysis (breaking down of blood in plate agar). Photo Credits: Iowa State University, Veterinary Diagnostic Laboratory, Bacteriology Section

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HealthArticle

Laboratory diagnostics: Edema disease

What laboratory diagnostic methods can I use to diagnose Edema disease? Which one should I choose according to the situation? How do I interpret the results?

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Figure 1. Carcass container with trigger. Source: 333shop.com

ManagementArticle

Carcass disposal management for swine producers, a practical review (part 2)

Pros and cons of rendering carcass disposal systems, alkaline hydrolysis, anaerobic digestion, gasification, and homogenization.

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Image 2. Close proximity of contaminated transport vehicles and external corn storage.  Courtesy of Dr. Doug McDougald.

HealthArticle

Feed biosecurity in the pre-manufacturing stage. Understanding and managing disease transmission risk in the pig feed ingredient supply chain

This article considers the component parts of disease transmission, how it applies to the pig feed ingredient supply chain, and how manufacturers of final feed can mitigate the risk of disease transmission through contaminated ingredients.

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Image 1. PRRSV ticking bomb. It is only a matter of time before other PRRSV lineages move through more pathogenic evolutionary stages.

HealthArticle

What can we expect from PRRS virus evolution?

In this article we summarize further discussions that we had with Dr. Nauwynck about his research findings on PRRS virus-host evolution.

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HealthArticle

Clinical case: Gilts not coming into heat

Since 2017 the number of gilts coming into heat (with standing reflex) has gradually fallen to levels less than 50-60% of the gilts ready to be inseminated...

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HealthArticle

Feed biosecurity assessments: A critical element of any comprehensive biosecurity program

In this series of articles, we will review some important disease transmission events that occurred through the feed supply chain and we will outline the characteristics of a comprehensive feed biosecurity program that considers the biosecurity of feed ingredients and also the milling and delivery processes.

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Figure 2. Concrete structure for the compost piles. Source: Minnesota Pollution Control Agency

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ManagementArticle

Carcass disposal management for swine producers, a practical review (part 1)

Pros and cons of the most used carcass disposal systems: burial, composting, incineration, and rendering. Impacts on environment and biosecurity.

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Figure 1. It is important to read and follow the instructions indicated on the vaccine label.

HealthArticle

Vaccine myths and misconceptions

Answers to a series of frequently asked questions regarding vaccine usage and their interaction with the immune system.

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Photo 1. When cleaning the farrowing room, do not forget about equipment such as piglet feeders, lights, and other materials that are transferred between rooms.

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HealthArticle

Diarrhea in neonatal piglets: cleaning and disinfection

Although cleaning between batches appears to be a basic task that all farms should be doing correctly, after talking to the authors we see that there is still a lot of room for improvement.

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Non hemolytic E coli (left) and hemolytic E coli (right).

HealthArticle

Laboratory diagnostics: E. coli (diarrhea)

What laboratory diagnostic methods can I use to diagnose E. coli? Which one should I choose according to the situation? How do I interpret the results?

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HealthArticle

New approaches to age-old problems in nursery piglets

What factors cause increased mortality and slow-growing piglets in the nursery phase? How can we address these issues?

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Genetics-ReproductionArticle

Abortions in mainly first parity sows

Why are there more abortions occurring in first parity sows?

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HealthArticle

What should I do to make my PRRSV control program successful?

The end goal of any control program should always be to stop the virus from circulating in the sows in order to create a flow of negative growing pigs.