ANSC*4280 - Poultry Nutrition Questions with Correct Answers What is significant about cottonseed in poultry nutrition? - Correct Answer - Malvalic acid
- Sterculic acid
are both cycloproene FAs, they give a pink tinge to albumin and are depsoited in egg yolk and fat. In addition, they cause a bubble of the egg yolk (since they are saturated) Rapeseed oil is high in fat and when fed to ducks it caused cardiac lipidopathy. What did the researchers do to prevent this? - Correct Answer Removed eruic acid (22:1) and glucosinolates which affect thyroid function. Double zero cultivar named Canola.What is the pH of the duodenum and jejenum of poultry? What is the name of the three enzymes found in this region? What do they act on and what do they form? - Correct Answer Bile -> Fats -> FAs + monoglycerides + glycerol Lipase -> FAs + monoglycerides + glycerol Cholesterol Esterase -> FA-Cholesterol esters -> FA + Cholesterol pH = 5.8 - 6.6 Although the gizzard does not produce Lipase, it is found in the gizzard. How does it get there? - Correct Answer Through reverse peristalisis, moves froms the pancreas into the gizzard. Pancreatic or liver insufficiency comprimises fat digestion.
List the other 3 factors which influence fat digestion in poultry:
- Pancreatic Lipase
- Bile Salts
- Fatty Acid Binding Protein
- - Correct Answer 4. Impurities and Antinutritional Factors
- Intestinal Environment
- Ingredient Interactions
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What part of the intestine is a MAJOR site of bile acid uptake? - Correct Answer Ileum