Page 14 - National Poultry Newspaper

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The new devilled egg
Recipe
INGREDIENTS
• 12 eggs, at room temperature
• 1/4 cup sour cream
• 1/4 cup mayonnaise
• 1 teaspoon Dijon mustard
• Salt and pepper
• 12 small asparagus spears,
trimmed
• 2 rashers bacon, finely
chopped
• 1 tablespoon chives, finely
chopped
• Smoked paprika, to serve METHOD
1. Bring a large saucepan of water to the boil. Add eggs and simmer for 10 minutes for hard-boiled eggs. Drain
and stand in cold water. Crack shells and gently peel. Trim the base of each egg so they stand up. Trim a third off the top of each egg and scoop out the egg yolk.
2. Place the egg yolks, sour cream, mayonnaise, mustard, salt and pepper in a bowl and mash until smooth.
3. Spoon the egg yolk mixture into a piping bag or zip-lock bag. Snip the end off the bag and pipe the filling back into the eggs. Place on a serving platter and refrigerate.
4. Bring a small saucepan of water to the boil. Add the as-
paragus and cook for one min- ute or until just tender. Drain and stand in cold water.
5. Heat a large non-stick frying pan over medium heat. Cook bacon for three minutes each
side until golden and crisp. 6. Trim the asparagus tips to about 2cm and push into the filling (see tips). Serve the eggs topped with asparagus, chives, bacon and paprika.
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Necrotic enteritis in broilers – a Lallemand feed update
NECROTIC enteritis is the most common and costly bacterial disease in broiler farming.
It is a multifacto- rial pathology caused by clostridium perfringens.
Its subclinical form sig- nificantly impairs flock performance, while its acute form causes high mortality.
Recently, the limitation on the use of antibiotics in poultry production has seen a NE resurgence.
Hence the interest in searching for novel and effective tools to help pre- vent this issue.
A recent publication in- dicates the potential of the competitive exclusion ap- proach in this field. Competitive exclusion
CE solutions are cultures of beneficial bacteria that improve the digestive mi- crobial balance.
Their proposed modes of action include:
1. Competition with un- desired bacteria for nutri- ents and binding sites;
2. Production of inhibi- tory molecules;
3. Modification of gut pH;
4. Production of antimi- crobial substances such as bacteriocins; and
5. Modulation of the lo- cal immune response.
The beneficial bacteria are administered as early as day one by spraying the chicks to promote the early establishment of a beneficial digestive mi- croflora.
New trial
A trial was conducted in the US (Southern Poul- try Research, Georgia) to evaluate the effects of a CE solution (AV- IGUARD) to help prevent the incidence of NE in a broiler commercial farm, as compared to traditional antibiotic feeding (baci- tracin methylene disal- icylate).
Male broiler chicks were fed a corn-soy commer- cial-type broiler three phase, ad libitum.
The AVIGUARD group was treated with a single spraying at day one.
The antibiotic group re- ceived the same basal feed with BMD throughout the trial (42 days).
Chickens were chal- lenged with coccidiosis at day 14 (eimeria maxima) and then with C. perfrin- gens at days 18, 19 and 20. Improved gut integrity and performance
After 42 days, NE le- sion scores were the low- est with AVIGUARD, and NE mortality was signifi- cantly lower in the AV- IGUARD group (Figure 1) as compared to the con- trol and antibiotic groups.
It was concluded the CE solution, applied only once to the chicks, per- formed equal to or better than the antibiotic, which was fed continuously to the chicks.
When looking at growth performance, there was no significant difference observed for body weight or FCR between the AV- IGUARD and antibiotic groups.
Consequently, due to a lower NE mortality, over- all performance was supe- rior with the CE solution (Figure 2).
A farm’s NE control strategy could benefit from a CE solution in ad- dition to strict on-farm hy- giene management prac- tices to keep pathogens at bay.
S

Technical Systems Australia Pty Ltd Tel: (07) 5429 2028
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Email: scotty@tsa.tech
Figure 1: Effect of the different treatments on the incidence of NE. Top – average lesion scores at day 21. Bottom – mortality rate between days one and 42. Entries with different letters are significantly different (p=0.009).
Figure 2: Effect of the different treatments on broiler performance from days one to 42.
Page 14 – National Poultry Newspaper, December 2019
www.poultrynews.com.au