Page 5 of articles about temperature

Effect of floor cooling on late lactation sows under acute heat stress

A sow cooling pad was developed to remove excess heat production. Three water flow rates were evaluated. Signs of heat stress were substantially reduced with the sow cooling pads.

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Figure 2 – Purdue prototype hog cooling pad being tested in farrowing house.

Facilities-Equipment Article

Development and use of sow cooling pads during farrowing and lactation

Floor cooling is based on the conduction of heat from the sow to a sink while lying down.

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What use will we give to artificial milk? This is one of the current debates, and although our experts agree it will play a role in the future, they are still not convinced about the use of milk as a system to "rely on".

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Facilities-Equipment Article

The ideal farrowing facilities (2/2): feeding and environmental control systems

This time, Joan Wennberg discusses the different feeding and environmental control systems in the farrowing house with Heraclio Corchón and Javier Lorente

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Press releases

Heat stress could be underestimated in swine: European state of play and new study on live yeast benefits

In the summer, lactating sows could spend 34 to 94% of their time above heat stress threshold (25°C), which could lead to 0.6 to 2.5 kg per day of reduced feed intake, and this is true from Netherlands to Spain.

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Tim Miller says it is important for pig producers with controlled environment houses to thoroughly check their ventilation systems at this time of year.

Press releases

Spring-time ventilation checks are vital task for pig farmers

Fans should be isolated from the power supply and blades cleaned with water and detergent if necessary — though not with a pressure washer which could damage the electric motor!

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Relationship between ambient temperature and the pigs' body temperature (r2 = 0.90)

NutritionArticle

Effect of heat stress on amino acid digestibility in pigs

Pigs exposed to heat stress increase their body temperature and reduce the size of their intestinal villi, thus increasing the loss of endogenous AAs and reducing the abundance of AA transporters in the intestine, as well as apparent and standardized ileal digestibility of AAs.

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Genetics-ReproductionAbstract

Dietary organic zinc attenuates heat stress–induced changes in pig intestinal integrity and metabolism

Heat stress and reduced feed intake compromised intestinal integrity in pigs, and zinc AA complex source mitigates some of these negative effects.

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Facilities-Equipment Abstract

Effect of radiant heat at the birth site in farrowing crates on hypothermia and behaviour in neonatal piglets

Radiant heating behind the sows reduced hypothermia in new-born piglets and indicate that providing heat during the first half hour after birth is important.

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