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Comportamiento productivo en primer ciclo de gallinas rhode island rojas y plymouth rock barradas
Author(s) -
Adrián Hernández-Sánchez,
Ernestina Gutiérrez-Vázquez,
Carlos Alberto Villalba-Sánchez,
Rosa Sánchez,
Ruy Ortiz-Rodríguez,
Aureliano Juárez-Caratachea
Publication year - 2021
Publication title -
south florida journal of development
Language(s) - Spanish
Resource type - Journals
ISSN - 2675-5459
DOI - 10.46932/sfjdv2n4-015
Subject(s) - humanities , biology , zoology , art
RESUMEN Se evaluó el comportamiento productivo de gallinas Rhode Island Rojas (RIR) y Plymouth Rock Barradas (PRB), durante el primer ciclo de postura, bajo las condiciones ambientales de la región del Altiplano en el estado de Michoacán, México. Para ello se utilizaron 26 gallinas doble propósito, distribuidas aleatoriamente en dos grupos: 13 RIR y 13 PRB de 20 semanas de edad, colocadas en jaulas individuales convencionales tipo batería; durante el período experimental (noviembre de 2019 a octubre de 2020), recibieron alimento comercial especial para gallinas en postura y agua, ambos ad libitum. Las variables bajo control fueron: peso vivo inicial (PVi), peso vivo final (PVf), consumo de alimento (CA), peso del huevo (PH), porcentaje de postura (%P), huevos por ciclo (HPC), masa de huevo (MH), índices morfométricos (IM), índices productivos (IP). Los resultados más relevantes en los genotipos RIR y PRB fueron: PVi y PVf, 2.019 vs. 2.160 kg y 2.105 vs. 2.300 kg respectivamente (P<0.05);  CA, RIR 124.1 vs. PRB 131.8 g (P<0.05); PH y %P para RIR y PRB: 59.4 vs. 61.2 g, 82.5 vs. 64.8 % (P<0.05) respectivamente; HPC y MH: 287.3 vs. 226.8 y 17.217 vs. 13.721 kg para RIR y PRB (P<0.0001) en su orden. En conclusión, las gallinas del genotipo Rhode Island Rojas mostraron mejor comportamiento productivo que sus contemporáneas Plymouth Rock Barradas.   ABSTRACT The productive behavior of Rhode Island Red (RIR) and Plymouth Rock Barradas (PRB) hens was evaluated during the first laying cycle under the environmental conditions of the Altiplano region in the state of Michoacán, Mexico. For this purpose, 26 dual-purpose hens were used, randomly distributed in two groups: 13 RIR and 13 PRB of 20 weeks of age, placed in individual conventional battery type cages; during the experimental period (November 2019 to October 2020), they received special commercial feed for laying hens and water, both ad libitum. The variables under control were: initial live weight (PVi), final live weight (PVf), feed consumption (CA), egg weight (PH), laying percentage (%P), eggs per cycle (HPC), egg mass (MH), morphometric indices (IM), productive indices (IP). The most relevant results in RIR and PRB genotypes were: PVi and PVf, 2.019 vs. 2.160 kg and 2.105 vs. 2.300 kg respectively (P<0.05); CA, RIR 124.1 vs. PRB 131.8 g (P<0. 05); PH and %P for RIR and PRB: 59.4 vs. 61.2 g, 82.5 vs. 64.8 % (P<0.05) respectively; HPC and MH: 287.3 vs. 226.8 and 17.217 vs. 13.721 kg for RIR and PRB (P<0.0001) in their order. In conclusion, hens of the Rhode Island Red genotype showed better productive performance than their Plymouth Rock Barradas contemporaries.  

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