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Drone production, semen viability and spermatozoa longevity of Africanized Apis mellifera Animal Sciences
Halak, André Luiz; Santos, Pedro da Rosa; Rossi, Robson Marcelo; Wielewski, Priscila; Moraes, Gentil Vanini de; Toledo, Vagner de Alencar Arnaut de.
Characteristics correlated with beekeeping production, less influenced by the environment and that can be controlled by management techniques, can help in the selection of colonies with higher production capacity, aiming to improve breeding programs. This research was carried out to evaluate the production of Africanized Apis mellifera drones and the longevity of spermatozoa from different genetic groups when supplemented with protein or not. Two genetic groups were used: one selected for royal jelly production from the Africanized honeybee breeding program and another without genetic selection. In both groups, the number of drone brood and the quality of semen were evaluated every 30 days, for five months. Statistical analysis was performed using Bayesian...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Honeybee genetics; Honeybee nutrition; Soybean protein; Africanized honeybee reproduction. honeybee genetics; Honeybee nutrition; Soybean protein; Africanized honeybee reproduction..
Ano: 2020 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/49050
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Varroa destructor mite in Africanized honeybee colonies Apis mellifera L. under royal jelly or honey production Animal Sciences
Santos, Pedro da Rosa; Wielewski, Priscila; Halak, Andre Luiz; Faquinello, Patrícia; Toledo, Vagner de Alencar Arnaut de.
 This study evaluated the level of invasion of Varroa mite into worker brood cells, the infestation rate on adult worker honeybees, total and effective reproduction rates of the mite in Africanized honeybee colonies under royal jelly or honey production. Invasion and infestation rates were not statistically different between honeybee colonies producing honey or royal jelly and the averages for these parameters were 5.79 and 8.54%, respectively. Colonies producing honey presented a higher (p < 0.05) total and effective reproduction of Varroa than colonies producing royal jelly. There was a negative correlation between levels of invasion and infestation with minimum external temperature, relative humidity and rainfall. The variables month and season...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.04.05.00-4 Varroa infestation; Mite invasion rate in brood cells; Mite total reproduction; Mite effective reproduction; Varroasis; Honeybee queen selection.
Ano: 2015 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/26585
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