Porcine neonates failing vitality score: physio-metabolic profile and latency to the first teat contact
2011
Trujillo-Ortega, M.E., National Autonomous Univ. of Mexico, Mexico City (Mexico) | Mota-Rojas, D., Metropolitan Autonomous Univ., Mexico City (Mexico). Dept. of Animal Production and Agriculture | Juarez, O., Metropolitan Autonomous Univ., Mexico City (Mexico). Dept. of Animal Production and Agriculture | Villanueva-Garcia, D., Mexican Children's Hospital |Federico Gomez, Mexico City (Mexico). Div. of Neonatology | Roldan-Santiago, P., Metropolitan Autonomous Univ., Mexico City (Mexico). Dept. of Animal Production and Agriculture | Becerril-Herrera, M., EIAH- Benemerita Autonomous Univ. of Puebla, Teziutlan (Mexico) | Hernandez-Gonzalez, R., National Inst. of Medical Sciences and Nutrition Salvador Zubiran, Mexico City (Mexico). Dept. of Experimental Research and Animal Resources | Mora-Medina, P., National Autonomous Univ. of Mexico, Mexico City (Mexico) | Alonso-Spilsbury, M., Metropolitan Autonomous Univ., Mexico City (Mexico). Dept. of Animal Production and Agriculture | Rosales, A.M., Metropolitan Autonomous Univ., Mexico City (Mexico). Dept. of Animal Production and Agriculture | Martinez-Rodriguez, R., National Autonomous Univ. of Mexico, Mexico City (Mexico) | Ramirez-Necoechea, R., Metropolitan Autonomous Univ., Mexico City (Mexico). Dept. of Animal Production and Agriculture
The objective of this study was to compare the metabolic and electrolytic profile as well as the morphological appearance of the umbilical cord and newly born piglets' weight that failed the vitality test scale compared to those who passed. Newborn piglets were divided into three groups according to the vitality with a modified Apgar score at birth as follows: G1 - failing with a score lower than 5 (n = 218), G2 had a score of 6 to 7 (n = 439) and G3 had scores higher than 8 (n = 464). Our results showed significant differences among groups in blood pH, PCO2, PO2, Na+, Ca2+, glucose, lactate and bicarbonate values. Regarding weight, temperature and latency to connect the maternal teat, there were also significant differences among groups; it took 23.38 min for G3 while neonatal piglets from G1 took 30 min longer (P less than 0.05) to make the first teat contact. The neonates from the latter group had a higher percentage (75.68%) of broken umbilical cords, with higher birth weight (+200 g, P less than 0.05), showed higher than normal blood glucose concentrations, and had lower body temperature at birth (-0.7 deg C, P less than 0.05) and PO2 in comparison with the other groups of neonates that passed the vitality score. In conclusion, this study demonstrates that low vitality newborn piglets had clearly undergone through perinatal asphyxia. Potential indicators increasing this condition are: high birth weight, low body temperature, vitality score less than or equal to 5, and the presence of the broken umbilical cord at birth.
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