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Immunization against vasoactive intestinal peptide and its effects on prolactin, steroid, luteinizing hormone, and egg production during mid laying cycle in punjab brown (pb3) birds

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Title Immunization against vasoactive intestinal peptide and its effects on prolactin, steroid, luteinizing hormone, and egg production during mid laying cycle in punjab brown (pb3) birds
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Creator Reddy IJ
Ravi Kiran G
Mondal SK
Anandan S
 
Subject LH interval
Egg production
 
Description Not Available
Objective of the study is examine the effects of active immunization against chicken Vasoactive Intestinal Peptide (chVIP) on plasma prolactin (PRL) concentration, concentration of luteinizing hormone (LH) profile its interval and duration, Progesterone (P4), Estradiol (E2ß), intersequence pause days and egg production in birds during the later stages of egg production from 48-72 weeks of egg lay in PB3 birds. Twenty-four PB3 birds of same age group were divided into 2 groups of 12 in each. Birds in control group were administered s/c with placebo. Equal volume of chVIP immunogenic protein was administered to treated group from 17th week of age to 36 weeks of age at an interval of 4 weeks. Hormonal profiles of immunized and control birds were quantified at weekly intervals from 48th to 72nd weeks of age in both the groups for prolactin, LH, estradiol, progesterone. Egg production and pause days were recorded in both the groups. At 59th weeks of age, blood samples from chVIP immunized and control birds were obtained every 4 h for 48 h to study the surges of LH. In immunized PB3 birds (against ch VIP) plasma PRL concentration was lower (p
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Date 2021-08-03T08:39:04Z
2021-08-03T08:39:04Z
2008-01-01
 
Type Journal
 
Identifier Reddy IJ, Ravi Kiran G, Mondal SK and Anandan S (2008). Immunization against vasoactive intestinal peptide and its effects on prolactin, steroid, luteinizing hormone, and egg production during mid laying cycle in punjab brown (pb3) birds. International Journal of Poultry Science, 11: 1100-1104.
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http://krishi.icar.gov.in/jspui/handle/123456789/52590
 
Language English
 
Relation Not Available;
 
Publisher Science Alert