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Modulation of post hatch-growth and immunocompetence through in ovo injection of limiting amino acids in broiler chickens

Indian Agricultural Research Journals

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Title Modulation of post hatch-growth and immunocompetence through in ovo injection of limiting amino acids in broiler chickens
 
Creator Bhanja, Subrat K
Mandal, Asit Baran
Agarwal, Sushil K
Majumdar, Samir
 
Subject Amino acids
Immune response
In ovo injection
Gastrointestinal tract
Growth
 
Description Early post-hatch growth and immunity was assessed through in ovo injection of some critical amino acids on 14th d of incubation at the broad end of the egg using 25 mm needle. Percent hatchability in lysine (lys) and arginine (arg) injected groups were better than un-injected control group. Threonine (thr) and methionine (met) injected eggs had higher chick weight and chick to egg weight ratio and met and arg injected chicks had higher fourth and seventh week body weight than un–injected control chicks. No significant difference was recorded for FCR of in ovo amino acids injected birds. Met and glycine (gly) injected chicks had higher bursa weight, whereas, those injected with met thr, gly and isoleucine (ile) had higher spleen weight on the day of hatch. Humoral immune response (SRBC titre) was higher in most of the amino acid injected chicks except lys group. Cell mediated immunity (response to PHAP mitogen) was higher in lys, arg, gly and ile injected chicks. The chicks injected with amino acids invariably had higher plasma protein and lower plasma glucose on the day of hatch. It may be concluded that met and thr were critical for the growth of chicken embryo, however, during post–hatch period met and arg played major role. In ovo injected amino acids can also act as immunomodulator but their role in gastrointestinal development needs further research.
 
Publisher Indian Council of Agricultural Research
 
Date 2012-09-11
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/IJAnS/article/view/23652
10.56093/ijans.v82i9.23652
 
Source The Indian Journal of Animal Sciences; Vol. 82 No. 9 (2012); 993–998
2394-3327
0367-8318
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/IJAnS/article/view/23652/11336
 
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