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Organ growth and digestive enzyme levels to fifteen days of age in lines of chickens differing in body weight.
Year:
1991
Source of publication :
Poultry Science
Authors :
Nitsan, Zafrira
;
.
Volume :
70
Co-Authors:
Nitsan, Z., Agricultural Research Organization, Volcani Center, Bet-Dagan, Israel.
Dunnington, E.A., Agricultural Research Organization, Volcani Center, Bet-Dagan, Israel.
Siegel, P.B., Agricultural Research Organization, Volcani Center, Bet-Dagan, Israel.
Facilitators :
From page:
2040
To page:
2048
(
Total pages:
9
)
Abstract:
Weights of internal organs and levels of digestive enzymes were obtained through the first 15 days posthatch for cockerels from three lines of chickens known to differ greatly in body weight. On Day 15 body weights from the fastest growing line were eight times greater than those from the slowest growing line. Differences among lines were found for weights at hatching and for growth patterns (both absolute and relative to body weight) of the vitelline residue, heart, lungs, liver, pancreas, crop, proventriculus, gizzard, and segments of the small intestine. Line differences were also evident for levels of trypsin, chymotrypsin, and amylase in the pancreas and contents of the small intestine. Ranking of lines for these traits varied with age. In all lines weights of the small intestine, liver, and pancreas increased relatively more than did total body weight during the 1st wk posthatch, after which the relationship reversed.
Note:
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More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
29746
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:49
You may also be interested in
Scientific Publication
Organ growth and digestive enzyme levels to fifteen days of age in lines of chickens differing in body weight.
70
Nitsan, Z., Agricultural Research Organization, Volcani Center, Bet-Dagan, Israel.
Dunnington, E.A., Agricultural Research Organization, Volcani Center, Bet-Dagan, Israel.
Siegel, P.B., Agricultural Research Organization, Volcani Center, Bet-Dagan, Israel.
Organ growth and digestive enzyme levels to fifteen days of age in lines of chickens differing in body weight.
Weights of internal organs and levels of digestive enzymes were obtained through the first 15 days posthatch for cockerels from three lines of chickens known to differ greatly in body weight. On Day 15 body weights from the fastest growing line were eight times greater than those from the slowest growing line. Differences among lines were found for weights at hatching and for growth patterns (both absolute and relative to body weight) of the vitelline residue, heart, lungs, liver, pancreas, crop, proventriculus, gizzard, and segments of the small intestine. Line differences were also evident for levels of trypsin, chymotrypsin, and amylase in the pancreas and contents of the small intestine. Ranking of lines for these traits varied with age. In all lines weights of the small intestine, liver, and pancreas increased relatively more than did total body weight during the 1st wk posthatch, after which the relationship reversed.
Scientific Publication
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