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Physiological and metabolic responses in newborn piglets associated with the birth order.

Authors
  • Islas-Fabila, P1
  • Mota-Rojas, D2
  • Martínez-Burnes, J3
  • Mora-Medina, P4
  • González-Lozano, M5
  • Roldán-Santiago, P6
  • Greenwell-Beare, V6
  • González-Hernández, M7
  • Vega-Manríquez, X7
  • Orozco-Gregorio, H7
  • 1 Master in Science Program "Maestría en Ciencias Agropecuarias", Universidad Autónoma Metropolitana, Xochimilco Campus, Mexico City, Mexico. , (Mexico)
  • 2 Universidad Autónoma Metropolitana, Xochimilco Campus. Neurophysiology, Behavior and Assessment of Welfare in Domestic Animals, Department of Animal Production and Agriculture, Mexico City, Mexico. Electronic address: [email protected] , (Mexico)
  • 3 Graduate & Research Department, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Tamaulipas, Victoria City, Tamaulipas, Mexico. , (Mexico)
  • 4 Livestock Science Department, FESC, Universidad Nacional Autónoma de México, UNAM, Mexico. , (Mexico)
  • 5 Universidad Nacional Autónoma de México, CEIEPP, UNAM, Estado de México, Mexico. , (Mexico)
  • 6 Licenciatura en Medicina Veterinaria y Zootecnia, Universidad del Valle de México, Mexico. , (Mexico)
  • 7 Facultad de Agronomía y Veterinaria. Universidad Autónoma de San Luis Potosí, Mexico. , (Mexico)
Type
Published Article
Journal
Animal reproduction science
Publication Date
Oct 01, 2018
Volume
197
Pages
247–256
Identifiers
DOI: 10.1016/j.anireprosci.2018.08.037
PMID: 30193776
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

The objective of this study was to evaluate the effect of birth order on the physiological and metabolic responses of the newborn piglet the first hours after birth. A total of 281 randomly selected newborn piglets were included, classified according to birth order in 12 groups (L1-L12). The expulsion interval, neonatal vitality, latency in connecting to the maternal teat and physiological profile were recorded for each piglet. The number of piglets born alive and dead was also recorded. The blood gases, electrolytes and glucose levels of the neonates were obtained by means of an automatic blood gas and electrolyte analyzer. Groups L1, L2, L11, and L12 had the least score on the vitality scale, the longest expulsion intervals, and longest latency to connect with the maternal teat, as well as greater physiological alterations (hyperglycemia, hyperlactatemia and hypercapnia) compared to groups L4 to L9. Likewise, type-II stillbirths only occurred in the first and last quarter of the birth order of the litter. In conclusion, piglets born in the first and last quarter of the birth order of the litter had a greater risk of having physiological and behavioral alterations during farrowing. Copyright © 2018 Elsevier B.V. All rights reserved.

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