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Effect of dietary phytoestrogens, feed restriction, and their interaction on reproductive status of broiler pullets

Background and Aim: A major problem faced by the broiler industry around the world is a lowered reproductive fitness of breeding hens which can cause major economic impact in terms of lowered hatchable egg production. In broiler breeders, a lot of the selection pressure has been exerted on growth, c... Full description

Journal Title: Veterinary World 01 December 2014, Vol.7(12), pp.1041-1046
Main Author: A. D. Madnurkar
Other Authors: A. S. Shinde , L. Chouhan , V. Singh , J. Mohan , R. P. Moudgal
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0972-8988 ; E-ISSN: 2231-0916 ; DOI: 10.14202/vetworld.2014.1041-1046
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recordid: doaj_soai_doaj_org_article_a7aa26c1e4944b7ca4ade63acc974cc3
title: Effect of dietary phytoestrogens, feed restriction, and their interaction on reproductive status of broiler pullets
format: Article
creator:
  • A. D. Madnurkar
  • A. S. Shinde
  • L. Chouhan
  • V. Singh
  • J. Mohan
  • R. P. Moudgal
subjects:
  • Broiler Breeder
  • Feed Restriction
  • Phytoestrogen
  • Reproductive Parameters
  • Veterinary Medicine
ispartof: Veterinary World, 01 December 2014, Vol.7(12), pp.1041-1046
description: Background and Aim: A major problem faced by the broiler industry around the world is a lowered reproductive fitness of breeding hens which can cause major economic impact in terms of lowered hatchable egg production. In broiler breeders, a lot of the selection pressure has been exerted on growth, conformation and feed efficiency as a result broiler breeder hens are prone to several metabolic disorders and reproductive anomalies. Present study was conducted to assess the effect of phytoestrogen, feed restrictions (75% of their control ad libitum), and their interaction on reproductive parameters in high and low body weight broiler breeder hens. Materials and Methods: One hundred twenty-eight healthy female broiler breeder pullets were divided randomly into eight groups from the same hatch and strain. They were transferred to individual laying cages. Birds received ad libitum drinking water and feeding, depend on divided group i.e., ad libitum or restricted feeding (75% of control ad libitum) counterpart separately for heavy or low body weight till first egg laid in respective groups. Experimental diets made with practical feed ingredients as per institution recommendation (broiler breeder ration) as per experimental planning. Results: Phytoestrogen significantly (p
language: eng
source:
identifier: ISSN: 0972-8988 ; E-ISSN: 2231-0916 ; DOI: 10.14202/vetworld.2014.1041-1046
fulltext: fulltext_linktorsrc
issn:
  • 0972-8988
  • 09728988
  • 2231-0916
  • 22310916
url: Link


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titleEffect of dietary phytoestrogens, feed restriction, and their interaction on reproductive status of broiler pullets
creatorA. D. Madnurkar ; A. S. Shinde ; L. Chouhan ; V. Singh ; J. Mohan ; R. P. Moudgal
ispartofVeterinary World, 01 December 2014, Vol.7(12), pp.1041-1046
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subjectBroiler Breeder ; Feed Restriction ; Phytoestrogen ; Reproductive Parameters ; Veterinary Medicine
descriptionBackground and Aim: A major problem faced by the broiler industry around the world is a lowered reproductive fitness of breeding hens which can cause major economic impact in terms of lowered hatchable egg production. In broiler breeders, a lot of the selection pressure has been exerted on growth, conformation and feed efficiency as a result broiler breeder hens are prone to several metabolic disorders and reproductive anomalies. Present study was conducted to assess the effect of phytoestrogen, feed restrictions (75% of their control ad libitum), and their interaction on reproductive parameters in high and low body weight broiler breeder hens. Materials and Methods: One hundred twenty-eight healthy female broiler breeder pullets were divided randomly into eight groups from the same hatch and strain. They were transferred to individual laying cages. Birds received ad libitum drinking water and feeding, depend on divided group i.e., ad libitum or restricted feeding (75% of control ad libitum) counterpart separately for heavy or low body weight till first egg laid in respective groups. Experimental diets made with practical feed ingredients as per institution recommendation (broiler breeder ration) as per experimental planning. Results: Phytoestrogen significantly (p<0.05) improved egg number and size in broiler breeding hens by checking reproductive anomalies (internal laying, double hierarchy, and follicular atresia), restructuring ovarian, and oviductal functional development besides improved physiological maturation of infundibulum. Unlike phytoestrogen, feed restriction as expected delayed the age of sexual maturity but helped in a reduction of ovary weight, number of yellow follicle, number of atretic yellow follicle, incidence of double hierarchy, and internal ovulation. Interaction between phytoestrogen and feed restriction did not give any additional remunerative advantage. Conclusions: It is concluded that phytoestrogens and limited feed restriction likely to improve reproductive efficiency around age of sexual maturity by overcoming the reproductive anomalies and modulating the ovarian and oviduct maturation favorably in broiler breeder hen.
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description

Background and Aim: A major problem faced by the broiler industry around the world is a lowered reproductive fitness of breeding hens which can cause major economic impact in terms of lowered hatchable egg production. In broiler breeders, a lot of the selection pressure has been exerted on growth, conformation and feed efficiency as a result broiler breeder hens are prone to several metabolic disorders and reproductive anomalies. Present study was conducted to assess the effect of phytoestrogen, feed restrictions (75% of their control ad libitum), and their interaction on reproductive parameters in high and low body weight broiler breeder hens. Materials and Methods: One hundred twenty-eight healthy female broiler breeder pullets were divided randomly into eight groups from the same hatch and strain. They were transferred to individual laying cages. Birds received ad libitum drinking water and feeding, depend on divided group i.e., ad libitum or restricted feeding (75% of control ad libitum) counterpart separately for heavy or low body weight till first egg laid in respective groups. Experimental diets made with practical feed ingredients as per institution recommendation (broiler breeder ration) as per experimental planning. Results: Phytoestrogen significantly (p<0.05) improved egg number and size in broiler breeding hens by checking reproductive anomalies (internal laying, double hierarchy, and follicular atresia), restructuring ovarian, and oviductal functional development besides improved physiological maturation of infundibulum. Unlike phytoestrogen, feed restriction as expected delayed the age of sexual maturity but helped in a reduction of ovary weight, number of yellow follicle, number of atretic yellow follicle, incidence of double hierarchy, and internal ovulation. Interaction between phytoestrogen and feed restriction did not give any additional remunerative advantage. Conclusions: It is concluded that phytoestrogens and limited feed restriction likely to improve reproductive efficiency around age of sexual maturity by overcoming the reproductive anomalies and modulating the ovarian and oviduct maturation favorably in broiler breeder hen.

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Background and Aim: A major problem faced by the broiler industry around the world is a lowered reproductive fitness of breeding hens which can cause major economic impact in terms of lowered hatchable egg production. In broiler breeders, a lot of the selection pressure has been exerted on growth, conformation and feed efficiency as a result broiler breeder hens are prone to several metabolic disorders and reproductive anomalies. Present study was conducted to assess the effect of phytoestrogen, feed restrictions (75% of their control ad libitum), and their interaction on reproductive parameters in high and low body weight broiler breeder hens. Materials and Methods: One hundred twenty-eight healthy female broiler breeder pullets were divided randomly into eight groups from the same hatch and strain. They were transferred to individual laying cages. Birds received ad libitum drinking water and feeding, depend on divided group i.e., ad libitum or restricted feeding (75% of control ad libitum) counterpart separately for heavy or low body weight till first egg laid in respective groups. Experimental diets made with practical feed ingredients as per institution recommendation (broiler breeder ration) as per experimental planning. Results: Phytoestrogen significantly (p<0.05) improved egg number and size in broiler breeding hens by checking reproductive anomalies (internal laying, double hierarchy, and follicular atresia), restructuring ovarian, and oviductal functional development besides improved physiological maturation of infundibulum. Unlike phytoestrogen, feed restriction as expected delayed the age of sexual maturity but helped in a reduction of ovary weight, number of yellow follicle, number of atretic yellow follicle, incidence of double hierarchy, and internal ovulation. Interaction between phytoestrogen and feed restriction did not give any additional remunerative advantage. Conclusions: It is concluded that phytoestrogens and limited feed restriction likely to improve reproductive efficiency around age of sexual maturity by overcoming the reproductive anomalies and modulating the ovarian and oviduct maturation favorably in broiler breeder hen.

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date2014-12-01