Better Energy utilization: Key for Profitable Poultry Farming

Published on: 09/04/2021
Author/s : Dr. Pooja Bhardwaj / Business Development Manager at The Himalaya Drug Company.

Improving poultry meat quality along with cutting down the cost of production has been one of the major objectives of most farmers and nutritionists. To achieve this objective, several strategies have been adopted, one of which is dietary energy management. Energy is the foremost important and largest part of poultry feed. This energy is either comes from grains like corn, wheat, soy, etc or throu...

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Asad Ur Rehman Asad Ur Rehman
M.Sc. Hons. Animal Nutrition
September 4, 2021

What should be the energy:Lysine ratio for all the feeding stages of broiler?

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Dr Pooja Bhardwaj Dr Pooja Bhardwaj
M.V.Sc (Pharmacology & Toxicology)
September 14, 2021

Thanks for your question Mr Asad. Though I am not the expert but try to attempt it. As per some studies its 3.48–3.80 g dLys/Mcal (Lysine requirements of young broiler chickens are
affected by level of dietary crude protein by M. Urdaneta et al, 2005)

The Lysine ratio in the feed depends upon crude protein%, various protein sources of the diet and least control by energy. Lysine requirement in a diet may varies from 1.02% to 1.36% as Crude Protein level of the diet varies from 18% to 24%. It also depends upon the arginine and potassium levels in the diet (antagonistically related). In nutshell, we have to look into various other factors before concluding lysine level in the broiler diet. It may vary diet to diet. However, some experts has given the Lysin requirement for broiler as below:
Amino Acid (%diet) (adapted from Hurby et al,1995)
Week 1 2 3 4 5 6
Lysine 1.32 1.13 0.94 0.93 0.91 0.9
* Week 1-3 @3000kcal AMEn/kg
* Week 4-6 @3050kcal AMEn/Kg
Please go through the article in Engormix titled "Lysine and Energy Trends in Feeding Modern Commercial Broilers" for more details

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Asad Ur Rehman Asad Ur Rehman
M.Sc. Hons. Animal Nutrition
September 15, 2021
Dr Pooja Bhardwaj Thank you for the detailed response.
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