Maen Helmi. Samara

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Experiments with broiler breeder hens were undertaken to determine effect of feeding time and environmental temperature on various production variables, body weight, and feed consumption. Two temperature treatments were used: low cyclic temperature (10 to 25 C), and high cyclic temperature (21 to 39 C). The three feeding treatments were: fed one daily meal(More)
Changes in blood concentrations of ionized calcium and total calcium were measured in broiler breeder hens (42 wk old) relative to egg cycle and environmental temperatures. Two environmental temperature treatments were used: 1) temperature cycled daily from a low of 10 C at 0300 h to a high of 25 C at 1600 h; and 2) temperature cycled from a low of 21 C at(More)
Experiments with broiler breeder hens were undertaken to determine effect of feeding time and environmental temperature on various production variables, body weight, and feed consumption. Two temperature treatments were used: low cyclic temperature (10 to 25 C), and high cyclic temperature (21 to 39 C). The three feeding treatments were: fed one daily meal(More)
Three broiler trials were conducted to age of 7-days, 21-days and 42days, for trials I, 2, and 3, respectively. In trial 1, two treatments were used: 1) the control (c) in which chicks received no preventive medication in the form of chlortetracycline (tetracycline HCL); 2) preventive medication (m-7) in which one day old chicks were given a preventive(More)
Performance of Broiler Breeder Hens Othman Hashem Shahadi Department of Animal Production, Faculty of Graduate Studies, An-Najah National University, Nablus, Palestine. Email: Othman_pls@yahoo.com Maen Helmi. Samara Department of Animal Production, Faculty of Agriculture, An-Najah National University, Tulkam, Palestine. Email: samaram@najah.edu ABSTRACT An(More)
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