Buscar
Mostrando ítems 51-60 de 5484
Metabolizable energy and oil intake in brown commercial layers
(Sociedade Brasileira de Zootecnia, 2012-10-01)
With the objective to establish the best metabolizable energy (ME) intake for layers, and the best dietary vegetable oil addition level to optimize egg production, an experiment was carried out with 432 30-week-old Hisex ...
Farelo de trigo e complexo enzimático na alimentação de poedeiras semipesadas na fase de produção
(Revista Brasileira Zootecnia Brazilian Journal Animal Sci, 2008-05-01)
The study was carried out with the objective to evaluate the effects of the inclusion of the wheat bran (WB) with or without supplementation of an enzymatic complex (EC) on the performance of semi-heavy hens in the ...
Temperature and female size effects on egg production of calanus chilensis: laboratory observations
(SOC BIOLGIA CHILE, 1996)
Three experiments under laboratory condition were conducted to study the effect of temperature and female size, measured as prosome length and dry weight, on egg production and egg viability of Calanus chilensis Brodsky ...
Effect of organic selenium and zinc on the performance and egg quality of Japanese quails
(Fundação APINCO de Ciência e Tecnologia Avícolas, 2011-06-01)
The present study aimed at evaluating the effect of the dietary inclusion of organic trace minerals selenium and zinc on the performance and internal and external egg quality of Japanese quails submitted to heat stress. ...
Prediction of the metabolizable energy requirements of free-range laying hens
(Amer Soc Animal Science, 2016-01-01)
This experiment was conducted with the aim of estimating the ME requirements of free-range laying hens for maintenance, weight gain, and egg production. These experiments were performed to develop an energy requirement ...
Zika infection decreases Aedes aegypti locomotor activity but does not influence egg production or viability
(Fundação Oswaldo Cruz. Instituto Oswaldo Cruz, 2018)
Seasonal variation in the egg morphology of the copepod Eurytemora americana and its relationship with reproductive strategy in a temperate estuary in Argentina
(Oxford University Press, 2012-01)
Seasonal variation in the morphology of Eurytemora americana eggs and its relationship with reproductive strategy were studied in the Bahía Blanca Estuary. Eggs from field females were analysed morphologically by optical ...
Dehydration of egg yolks by spray drying at different temperatures
(Empresa Brasil Pesq Agropec, 2015-12-01)
The objective of this work was to evaluate the effect of dehydration temperatures by spray drying on the microbiological, physical, and chemical characteristics of egg powder and on the yield of the process. Dehydration ...
Performance and egg quality of Japanese quails submitted to cyclic heat stress
(Fundação APINCO de Ciência e Tecnologia Avícolas, 2014)
By-product of passion fruit seed (Passiflora edulis) in the diet of commercial laying hens
(2016-06-02)
This study evaluated the effects of the inclusion of the by-product passion fruit seed (BPFS) in the diet of laying hens on performance, blood variables, quality, and lipid oxidation in eggs. A total of 384 Hy-line W36 ...