Page 14 of articles about sow

Regional limb injection or systemic medication for the treatment of septic lameness in sows

Reducing the use of antimicrobials in food-producing animals may be achieved through more widespread use of RLP. Regional intravenous limb perfusion of an antimicrobial to treat lameness is feasible in swine.

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Milk production accounts for 75 to 80% of the total requirements of lactating sows (Picture: Research Facilities, NEPSUI/ UFMG)

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NutritionArticle

How efficient are the current hyper-prolific lactating sows? (1/2)

The study described here was designed to determine if the body tissue mobilization during lactation imposed by feed restriction could affect litter size and sow performance in the subsequent lactation.

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NutritionAbstract

Arginine supplementation during lactation affects sow metabolism and improve litter performance

Sow metabolism during lactation is affected by arginine supplementation promoting litter weigh improvement.

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Genetics-ReproductionArticle

Practical tips to induce heat in gilts and sows

Boar exposure time, duration and frequency, proper boar: gilt or sow ratio, exposure methods, hormones, …

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Genetics-ReproductionAbstract

Factors for improving reproductive performance of sows and herd productivity in commercial breeding herds

We review critical factors associated with reproductive performance of female breeding pigs, their lifetime performance and herd productivity in commercial herds. The factors include both sow-level and herd-level factors.

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Graph 1. Percentage of culled sows per cycle (number of sows culled per cycle/ average census per cycle) in 2016

ManagementArticle

How to reduce the replacement rate and have a better parity distribution

Minimizing sow losses in the initial cycles has three positive effects for the economic efficiency of the farm

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NutritionAbstract

Comparing gestating sows housing between electronic sow feeding system and a conventional stall

Although the better sow and litter performance for group housed sows with electronic feeding system some improvements are still required in terms of body scratch and locomotion disorders.

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Genetics-ReproductionAbstract

Characterizing body temperature and activity changes at the onset of estrus in replacement gilts

The study objective was to characterize body temperature and activity changes in replacement gilts at the onset of estrus in order to provide initial data to develop a remote estrus detection system for commercial swine operations.

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News

Australian sow herd to expand

Australian sow numbers are projected to rise to around 294,000 head in 2021–22.

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A sow approaches a boar within a group gestation pen. The pen design allows nose-to-nose contact between the animals, allowing for pheromone exchange to trigger heat response if the sow is open. The technology records the number and length of interactions and calculates whether the sow’s behavior indicates she is in heat.

Press releases

Never miss a heat: Build a better boar bachelor pad

Automated heat detection identifies open sows safely and accurately.

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Genetics-ReproductionAbstract

Human chorionic gonadotrophin in early gestation improves sow fertility during summer

hCG stimulates growth of estrogenic follicles and CL function, and improves primiparous sow fertility during the summer months.

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Use of colour tags to identify the age of replacement gilts.

ManagementArticle

How to know the age of replacement gilts

A simple, economical and practical trick is to identify the replacement gilts with tags of different colours according to the batch they belong to.

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Graph 3: Average number of stillborn piglets according to parity for litters of less than 13, between 13 and 16 or more than 16 Total Born piglets. Analysis of 93.896 farrowings from hyperprolific sows recorded from October 14 to September 16

Genetics-ReproductionArticle

Hyperprolific? Yes, but not so much

Sows with more than 16 piglets Total Born (TB) per litter have twice as many stillbirths (SB) as those with 13 to 16 TB litters, and three times more SB than sows farrowing litters smaller than 13 TB.

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Supplying the sows with paper to improve their welfare.

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ManagementArticle

Paper in the farrowing quarters: not only for the piglets...

It is easy to see the reaction of the sows (of all of them!) when we supply them with paper. A handful in front of their snout or at the reach of their mouth is enough... oxytocin! It is like giving an injection!

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NutritionAbstract

Palygorskite dietary supplementation effects on back fat mobilization, leptin levels and oxidative stress in sows

The use of palygorskite in sow diets reduces oxidative stress in gestating sows.

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HealthAbstract

Impact of maternally derived immunity on piglets’ immune response and protection against PCV2 after vaccination at different age

This study was aimed at evaluating the clinical protection, the level of Porcine circovirus type 2 (PCV2) viremia and the immune response (antibodies and IFN-γ secreting cells (SC)) in piglets derived from PCV2 vaccinated sows and themselves vaccinated against PCV2 at different age, namely at 4, 6 and 8 weeks.