Effect of broiler genetics, age, and gender on performance and blood chemistry

Heliyon
M L LivingstonK A Livingston

Abstract

A total of 640 broilers were used to determine the effects of strain, sex, and age on hematology and blood chemistry using rapid detection devices. Day old chicks from two genetic lines of common fast-growing and high-yield broiler strains were sexed and allocated to 40 pens (16 birds per pen) containing either male or female and Ross or Cobb strains (n = 10). Venous blood was analyzed weekly using 2 broilers from each pen (n = 20) using the i-STAT® Alinity Handheld Clinical Analyzer, Zoetis Vetscan VS2, and iCheck™ Carotene devices at 14, 21, 28, 35, and 42 d, as well as growth performance. Post-mortem health tracking metrics were also recorded on 42 d. Broilers were deemed healthy based on posting data results and performed in accordance with industry standards with males presenting greater BW and reduced FCR than female broilers. Ross broilers displayed greater BW to 14 d with similar FCR compared with Cobb birds. Day of age had a highly significant impact on blood calcium, phosphorus, potassium, sodium, chloride, carotene, aspartate aminotransferase, creatine kinase, bile acids, uric acid, total protein, albumin, globulin, total carbon dioxide, hematocrit, and malondialdehyde. Male broilers had reduced blood sodium, chlorid...Continue Reading

References

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Jan 1, 1976·Avian Pathology : Journal of the W.V.P.A·J G RossR M Jones
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Sep 28, 2014·Poultry Science·M J ZuidhofF E Robinson
Jan 28, 2015·British Poultry Science·T L LentferE Von Borell
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Apr 17, 2016·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Caroline Lindholm, Jordi Altimiras
Jun 16, 2017·Veterinary Immunology and Immunopathology·Barbora BílkováMichal Vinkler
Jun 15, 2018·Poultry Science·Shawna L WeimerYvonne Vizzier-Thaxton

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Methods Mentioned

BETA
Flow Cytometry
blood draw
blood draws
MDA

Software Mentioned

SAS
JMP Pro
Stat®
STAT® Vetscan

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