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Veterinary Research Forum، جلد ۱۰، شماره ۴، صفحات ۳۲۳-۳۳۱
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عنوان انگلیسی Effect of <i>in ovo</i> feeding of amino acids and dextrose solutions on hatchability, body weight, intestinal development and liver glycogen reserves in newborn chicks
چکیده انگلیسی مقاله Early development of the digestive tract is crucial for achieving maximal growth and development of chickens. This study examined the effects of in ovo (IO) feeding of 0.70 mL of dextrose (10.00% and 20.00%) or amino acids solutions into the yolk sac at day 14 of incubation on small intestine histomorphometry and histomorphology, intestinal development, hatchability, body weight, and liver glycogen reserves in newborn chicks. Results showed body weight in amino acid fed hatchlings was higher than control and dextrose groups non-significantly, but hatchability was lower in amino acid group than others. Also, diameter of glycogen vacuoles in all IO treatment groups was more than control. Administration of exogenous dextrose and amino acids solutions into the yolk sac enhanced intestinal development by increasing the size and surface area of the villi and changed villi shape as well. It seems that dextrose or amino acids solutions could improve the intestinal villi development, while they did not affect finger-like villi in jejunum.
کلیدواژه‌های انگلیسی مقاله Amino acid, Broiler, dextrose, In ovo feeding, yolk sac
نویسندگان مقاله Mohammad Naser Nazem |
Department of Basic Sciences, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran

Negin Amiri |
Department of Animal Science, College of Agriculture, Shahid Bahonar University of Kerman, Kerman, Iran

Shima Tasharofi |
Kerman Agricultural and Natural Resources Research and Education Center, Kerman, Iran

نشانی اینترنتی http://vrf.iranjournals.ir/article_35895_a1f169f0cb717e84be301ef74d0b92af.pdf
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