Navigation Links
Ractopamine is safe for use in Brazilian pork
Date:1/24/2013

Animal scientists in Brazil have found that a small dose of the feed additive ractopamine can boost pork production without changing how pork looks or tastes.

In the latest issue of the Journal of Animal Science, researchers report that a 5 mg/kg dose of ractopamine increased muscle mass and feed efficiency, and had no noticeable effect on pork marbling, fat content, toughness or color. The researchers came to this conclusion by testing pork from 340 pigs raised under commercial conditions.

"We found that if [pork producers] use 5 mg/kg of ractopamine in the finishing diet of swine that should result in no detrimental effects on fresh pork quality and cooked pork palatability," said Natlia Bortoleto Athayde, an animal scientist at Sao Paulo State University in Brazil.

Ractopamine is a common feed additive in Brazilian and U.S. pork production. The additive increases the size of muscle fibers by increasing protein synthesis in muscle cells. Many pork producers use ractopamine because it allows pigs to grow larger with less feed.

However, some scientists have reported reduced pork quality with higher doses of ractopamine. To test this finding, Athayde and other researchers split a herd of pigs into three groups and gave them 0, 5 or 10 mg/kg of ractopamine during the last 28 days before slaughter. They then slaughtered the pigs and tested the pork pH, temperature, color, drip loss, marbling, intramuscular fat, cooking loss and tenderness. According to Athayde, analyzing meat color is important because meat color changes can be a sign of stress in an animal.

The researchers found that though 5 mg/kg had no noticeable effects, pork from the 10 mg/kg pigs was lighter and less tender than pork from control group pigs. Athayde said this confirms previous studies showing that 5 mg/kg is an appropriate dose in Brazilian commercial pork production.

"Pork is the most animal protein consumed in the world, and Brazil is currently the fourth largest producer of this meat," said Athayde. "We export about 15 percent of pork we produce and we believe it is extremely important to know the quality of the meat that we offer to the world."

Athayde recommends further studies of how ractopamine affects animal behavior, consumer health and the environment.


'/>"/>

Contact: Madeline McCurry-Schmidt
madelinems@asas.org
217-689-2435
American Society of Animal Science
Source:Eurekalert

Related medicine news :

1. Physiology department gets training grant from Brazilian scientific group
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:5/28/2016)... ... 28, 2016 , ... May 26, 2016- In search of the K. Warriors, ... event of “K Warriors” on June 4, 2016 at Ashbury Hotel and Suites 600 ... sponsored and hosted by Shaolin Institute and sanctioned by KSF (Kungfu Sanda Federation), This ...
(Date:5/28/2016)... , ... May 28, 2016 , ... In a part of the city where’s it’s ... new farm-to-table Kelowna restaurants is hoping to attract diners with a taste for ... Suites officially opened the doors to Cornerstone Grill, an urban casual restaurant focusing on ...
(Date:5/27/2016)... ... May 27, 2016 , ... Southland Log Homes , designer ... timber frame barn kits, which can be found on its website at SouthlandLogHomes.com. , ... barn plans, and they highlight the craftsmanship of timber post and beam construction. ...
(Date:5/27/2016)... ... May 27, 2016 , ... W.S. Badger Co. ... today that it has been recognized as one of the best small businesses for ... named as one of nine small businesses providing progressive benefits to new parents on ...
(Date:5/27/2016)... ... May 27, 2016 , ... With over 60 percent ... the demand for a sustainable product to aid in the rehabilitation process has steadily ... the recovery of individuals with hemiplegia due to stroke. , Ekso Bionics has now ...
Breaking Medicine News(10 mins):
(Date:5/25/2016)... SPRINGS, Florida , May 25, 2016 ... Business Conference & Expo earlier this month, the numbers ... As revenues continue to climb into the billions, more ... the newly released 4th Edition State of Legal Marijuana ... Frontier, a cannabis-focused data-analysis firm, much of the increase ...
(Date:5/25/2016)... , May 25, 2016 Digital Health ... to it by the US Patent and Trademark ... technology includes proprietary processes for electronic opt-­in and ... and wellness programs, HIPAA compliance and otherwise. ... "Our technology allows for ...
(Date:5/25/2016)... , May 25, 2016 ... the precision of circulating tumour DNA (ctDNA) analysis ... the appointment of Professor Clive Morris ... leadership across the clinical development programme, scientific collaborations, ... help deliver significant improvements in clinical outcomes for ...
Breaking Medicine Technology: