Níveis de cloro para codornas japonesas em crescimento e seus efeitos na fase de produção

Bezerra, Roseane Madeira; Freitas, Ednardo Rodrigues; Nascimento, Germano Augusto Jerônimo do; Braz, Nádia de Melo; Farias, Nadja Naiara Pereira; Xavier, Regina Patrícia de Souza

doi:10.5433/1679-0359.2013v34n2p853

Cited by 3 publications

(1 citation statement)

References 14 publications

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“…Mushtaq and Pasha (2013) emphasize that electrolyte balance is dependent on Na, K, chlorine, bicarbonate, and some proteins. Electrolyte balance can affect appetite, response to thermal stress, bone development, growth, utilization of minerals, amino acids, and vitamins (Bezerra et al, 2013). However, the CG sample evaluated in this study had low concentration of Na and K with levels of 0.98% and 0.03%, respectively.…”

Section: Discussionmentioning

confidence: 70%

Energy values of crude glycerin for broilers

Souza

Broch

Wachholz

et al. 2020

Arq. Bras. Med. Vet. Zootec.

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The energetic values of crude glycerin (CG) were determined for broilers at different ages using the method proposed by Matterson and by polynomial regressions. Two trials were performed with broilers from 11 to 21 and from 31 to 41 days of age. The birds were distributed in a completely randomized experimental design with a reference ration (RR), without CG, and three ration tests with replacement of 5%, 10%, and 15% of RR by CG. The metabolizable energy values were calculated by the Matterson method, and the apparent metabolizable energy (AME) values were used in polynomial regression analysis. The mean values of AME, apparent corrected for nitrogen balance (AMEn), metabolizable coefficient of gross energy (CAMEB), and corrected for nitrogen balance (CAMEBn) of CG, for the phase from 11 to 21 days by the Matterson method were 10.08 MJ kg-1, 10.04 MJ kg-1, 67.06%, and 66.74%, respectively. The inclusion of CG presented an increasing linear effect for CAMEB and CAMEBn in this period. From 31 to 41 days, these values were 10.38 MJ kg-1, 10.27 MJ kg-1, 69.02%, and 62.24%, respectively. The predicted AMEn value through the polynomial regression equations was 10.49 MJ kg-1 and 10.18 MJ kg-1, respectively. According to the equations proposed by Matterson, the crude glycerin EMAn values for broilers from 11 to 21 and 31 to 41 days of age were 10.04 MJ kg-1 and 10.26 MJ kg-1, respectively. According to Adeola's method the AMEn values were 10.49 and 10.20 MJ kg-1 for each phase.

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Section: Discussionmentioning

confidence: 70%

Energy values of crude glycerin for broilers

Souza

Broch

Wachholz

et al. 2020

Arq. Bras. Med. Vet. Zootec.

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Different dietary electrolyte balance values on performance, egg, and bone quality of Japanese quail (Coturnix Coturnix Japonica) under heat stress

Cruvinel

Urayama

Santos

et al. 2020

Trop Anim Health Prod

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Chlorinated drinking water for lightweight laying hens

Schneider

Almeida

Moraes

et al. 2016

Arq. Bras. Med. Vet. Zootec.

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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 HyLine 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 poultry of each replicate was sacrificed to obtain tibia and calcium content measurement. There was a water consumption reduction from 20ppm of chlorine and feed intake reduction in poultry receiving water with 100ppm of chlorine. The regression analysis showed that the higher the level of chlorine in water, the higher the reduction in consumption. There were no differences in egg production and weight, egg mass, feed conversion, specific gravity, tibia calcium content, and hemogasometry levels (hydrogenionic potential, carbon dioxide partial pressure, oxygen partial pressure, sodium, potassium, chloride, bicarbonate, carbon dioxide total concentration, anion gap and oxygen saturation). The use of levels above 5ppm of chlorine is not recommended in the water of lightweight laying hens.

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Níveis de cloro para codornas japonesas em crescimento e seus efeitos na fase de produção

Cited by 3 publications

References 14 publications

Energy values of crude glycerin for broilers

Energy values of crude glycerin for broilers

Different dietary electrolyte balance values on performance, egg, and bone quality of Japanese quail (Coturnix Coturnix Japonica) under heat stress

Chlorinated drinking water for lightweight laying hens

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