Digestive Enzyme Activities of Broiler Breeder Pullets Suffering from Stunting Syndrome
DOI:
https://doi.org/10.3923/ijps.2002.78.81Keywords:
Broiler breeders, enzyme activities, pullets, stunting syndromeAbstract
The visceral organ weights and activities of pancreatic and intestinal enzymes in a flock of broiler breeder pullets, apparently suffering from stunting syndrome (SS) were compared with those of a healthy flock. Pullets with SS were significantly lighter (P<0.001) than the normal individuals. The relative weights of the pancreas (P<0.05), small intestine (P<0.01) and liver (P<0.01) were higher in the flock with SS than in the normal flock. The specific activities of pancreatic amylase (P<0.001) as well as ileal maltase (P<0.05) and alkaline phosphatase (P<0.001) were increased as a result of SS. The pullets with SS recovered and grew normally again after 16 weeks of age. Some of the symptoms are similar to those described for younger broiler chicks but the results obtained in the current study could be useful in describing SS in older poultry.
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