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Prolactin, luteinizing hormone and steroid hormone concentration in Punjab brown (PB3) birds immunized against vasoactive intestinal peptide during the early ages of egg production.

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Title Prolactin, luteinizing hormone and steroid hormone concentration in Punjab brown (PB3) birds immunized against vasoactive intestinal peptide during the early ages of egg production.
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Creator Reddy IJ
G Ravi Kiran
SK Mondal
S Anandan
 
Subject Animal Nutrition
 
Description Not Available
This study aims at 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 (E2β), intersequence pause days and egg production in birds during the initial stages of egg production from 20-36 weeks of egg lay in PB3 birds. Twenty-four PB3 birds of same age group were divided into two groups of twelve 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 four weeks. Hormonal profiles of immunized and control birds were quantified at weekly intervals from 17th to 36th weeks of age in both the groups for prolactin, LH, estradiol, progesterone. Egg production and pause days were recorded in both the groups. At 31st weeks of age, blood samples from chVIP immunized and control birds were obtained every 4 h for 48 hours to study the surges of LH. In immunized PB3 birds (against ch VIP) plasma PRL concentration was lower (p
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Date 2021-08-03T05:13:10Z
2021-08-03T05:13:10Z
2007
 
Type Journal
 
Identifier Reddy IJ, G Ravi Kiran, SK Mondal and S Anandan (2007). Prolactin, luteinizing hormone and steroid hormone concentration in Punjab brown (PB3) birds immunized against vasoactive intestinal peptide during the early ages of egg production. International Journal of poultry Science 6 (9): 637-641.
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http://krishi.icar.gov.in/jspui/handle/123456789/52430
 
Language English
 
Relation Not Available;
 
Publisher Science Alert