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Chlorinated drinking water for lightweight laying hens Arq. Bras. Med. Vet. Zootec.
Schneider,A.F.; Almeida,D.S.; Moraes,A.N.; Picinin,L.C.A.; Oliveira,V.; Gewehr,C.E..
ABSTRACT The study aimed to evaluate the effect of different levels of chlorine in drinking water of laying hens on zootechnical performance, eggs shell quality, hemogasometry levels and calcium content in tibia. 144 Hy-Line laying hens, 61 weeks old, were used distributed in 24 metabolism cages. They were subjected to water diets, for a period of 28 days, using sodium hypochlorite as a chlorine source in order to obtain the following concentrations: 5ppm (control), 20ppm, 50ppm, and 100ppm. Their performance was evaluated through water consumption, feed intake, egg production and weight, egg mass, feed conversion. Shell quality was measured by specific gravity. At the end of the experiment, arterial blood was collected for blood gas level assessment and a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chlorine; Eggs; Hemogasometry; Posture; Shell.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352016000601690
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