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October 20, 2017

 

Hamlet Protein: Thai study finds the best protein investment for broilers

 

 

 
Producers of broiler chickens can earn an extra 5.74 Thai baht per bird, when they buy a highly digestible soy protein from Hamlet Protein for their starter feed.
 
That’s the conclusion of a new feeding trial conducted at one of Thailand’s leading research universities, which tested HP AviStart against four other commonly used protein sources.
 
The findings from KhonKaen University reinforce the results of a recent meta-analysis of 19 other feeding trials, which all show that HP AviStart is the top performer.
 
During the 42-day study, newly hatched Cobb broilers were given a starter feed containing 5% fishmeal, fermented soy, porcine hydrolysed protein or HP AviStart for the first seven days. A control group received a starter diet based on corn and soybean meal. The broilers were then fed an identical diet for the remainder of the trial.
 
Biggest profits – and better meat
 
By day 42, the broilers fed 5% HP AviStart weighed significantly more than the other trial groups and had the best quality breast meat in terms of protein and moisture content. The trial also found that HP AviStart gave the lowest feed conversion rate (FCR).
 
“This trial in Thailand demonstrates the lifelong effect when broiler diets include HP AviStart during the first week after hatching. In this case, HP AviStart paid back an extra 5.74 Thai baht per bird,” says Thikhamporn Charoenwai, HAMLET PROTEIN’s nutritionist based in Bangkok.
 
Group nutritionist Christine Brøkner is not surprised by the new findings.
 
“Universities, research institutes and customers have conducted similar studies in some 10 countries around the world. A meta-analysis of their findings has shown that it is always an advantage to use HP AviStart regardless of fluctuations in feed prices.”
 
Easy to absorb by immature guts
 
Produced by enzymatic co-processing of soybean meal and yeast, HP AviStart is a specialty protein that stands out for its high digestibility. That means the immature guts of newly hatched chicks can easily absorb the nutrients HP AviStart contains – stimulating their healthy growth and development from day one.
 

In all the trials included in the meta-analysis, the starter diets contained the same amount of digestible amino acids and the same energy content. HP AviStart was added to starter feed at doses ranging from 0% to 10% and tested against a soybean meal control and starter feeds supplemented with fishmeal, potato protein, corn gluten or blood plasma.

The overall conclusion of the studies is that HP AviStart performed best across the board, giving the highest broiler end weight and the lowest FCR.
 
The carry-over mechanism
 
But why does the specialty soy protein continue to have a beneficial effect way beyond the starter phase – as confirmed by the latest trial in Thailand?
 
According to Christine Brøkner, the explanation lies in the broilers’ villus height:crypt depth ratio – otherwise known as the gut health indicator.
 
“Research has shown that the ratio between villus height and crypt depth is linked to protein digestibility. A high ratio is also linked to a low FCR. This is one of the mechanisms behind the life-long carry-over effect of HP AviStart.”
 

Findings from all trials indicate that 5% is the best starting point for maximizing returns when formulating starter feed with HP AviStart.

 

Charoenwai (top) and Brøkne
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