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Differential performance of honey bee colonies selected for bee-pollen production through instrumental insemination and free-mating technique Arq. Bras. Med. Vet. Zootec.
Mattos,I.M. de; Souza,J.; Soares,A.E.E..
ABSTRACT The use of bee-pollen as a nutritional supplement or as a production-enhancing agent in livestock has increased the demand for this product worldwide. Despite the current importance of this niche within the apiculture industry, few studies have addressed the pollen production. We tested the performance of free-mated (FM) and instrumentally inseminated queens (IQ) in order to establish the effect of different breeding systems on pollen production. The F1 generation of IQ queens produced 153.95±42.83g/day, showing a significant improvement on the pollen production (2.74 times) when compared to the parental generation (51.83±7.84g/day). The F1 generation of free-mated queens produced 100.07±8.23 g/day, which increased by 1.78 times when compared to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Apis mellifera; Bee-pollen; Instrumental insemination; Pollen production; Africanized honey bees.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352016000501369
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Analysis of the effects of climate variables on Apis mellifera pollen foraging performance Arq. Bras. Med. Vet. Zootec.
Mattos,I.M. de; Souza,J.; Soares,A.E.E..
ABSTRACT Pollination services performed by bees are essential for the reproduction of a great part of flowering plants. The pollen collected by Apis mellifera while performing pollination (bee pollen), has been incorporated into the human diet for its favorable nutritional components. Around 1,500 tons of bee pollen are produced annually worldwide, especially in Spain, China, Australia, Argentina, and Brazil. Despite the importance of bee pollen within apiculture, little is known about the effects of climate variations on bee pollen collection and production. We monitored the pollen collection performance of 24 different honey bee colonies in different climate conditions within a period of one year. We then analyzed the statistical interaction among the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Africanized honey bees; Bee pollen; Climate; Foraging; Pollination.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352018000401301
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Lack of a relationship between serum ferritin levels and coronary atherosclerosis evaluated by coronary arteriography BJMBR
Manfroi,W.C.; Zago,A.J.; Cruz,R.; Oliveira,J.; Kirschnick,L.S.; Ordovás,K.; Candiago,R.H.; Souza,J.; Ribeiro,L.W.; Leitão,C.; Brizolara,M.L..
Many clinical and epidemiological studies have demonstrated the relationship between serum ferritin and ischemic heart disease. In the present study we evaluated the relationship between coronary heart disease (CHD) and serum ferritin levels in patients submitted to coronary arteriography. We evaluated 307 patients (210 (68.7%) males; median age: 60 years) who were submitted to coronary angiography, measurement of serum ferritin and identification of clinical events of ischemic heart disease. Serum ferritin is reported as quartiles. Ninety-six patients (31.27%) had normal coronary angiography (group 1) and 211 (68.73%) had coronary heart disease (group 2). Of the patients with CHD, 61 (28.9%) had serum ferritin levels higher than 194 ng/ml (4th quartile),...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ferritin; Coronary heart disease; Atherosclerosis; Risk factors; Coronary arteriography.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1999000300009
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