Influência das fontes e granulometria do calcário calcítico sobre o desempenho e a qualidade da casca dos ovos de poedeiras comerciais
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Data
2005-03
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Resumo
This experiment was carried out to evaluate the effects of different dietetic sources of limestone with different particle sizes (fine, medium and large) on the performance, eggshell quality and bone status
of laying hens. 192 Isa Babcock B 300 hens, 33 weeks of age, were allotted in a randomized
block design with a total of 6 treatments, with 2 blocks and 4 replicates of 8 hens each. The
feeding trial lasted 38 weeks, divided into 9 cycles of 28 days. The six experimental diets
were: 1 - fine limestone Source 1; 2 - medium limestone Source 1; 3 - larger limestone
Source 1; 4 - fine limestone Source 2; 5 - larger limestone Source 2; 6 - larger limestone
Source 3. No negative effects on layer shell quality, but better shell quality, measured by
specific gravity were observed when hens were fed with larger limestone particles.
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Calcário calcítico, Desempenho, Granulometria, Poedeiras, Qualidade de casca, Limestone, Performance, Particle sizes, Laying hen, Eggshell quality
Citação
JARDIM FILHO, Roberto de Moraes; STRINGHINI, José Henrique; CAFÉ, Marcos Barcellos; LEANDRO, Nadja Susana Mogyca; CUNHA, Weliton Carlos Pereira da; NASCIMENTO JÚNIOR, Odimar. Influência das fontes e granulometria do calcário calcítico sobre o desempenho e a qualidade da casca dos ovos de poedeiras comerciais. Acta Scientiarum. Animal Sciences, Maringá, v. 27, n. 1, p. 35-41, jan./mar. 2005.