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Effects of initial body weight and litter material on broiler production Rev. Bras. Ciênc. Avic.
Mendes,AS; Paixão,SJ; Restelatto,R; Reffatti,R; Possenti,JC; Moura,DJ de; Morello,GMZ; Carvalho,TMR de.
This experiment was carried out in a 104 m² poultry house located between the geographical coordinates 25°45'00" south latitude and 53°03'25" west longitude and an average altitude of 550 m, from September to November, 2008. The chickens were placed in 12 pens measuring 2 m² each at a stocking density of 12 chickens m-2. This study aimed at evaluating the effect of two different initial weights (chick weight on first day of experiment) and two types of litter material on broiler production parameters, litter humidity, as well as on breast and footpad lesions. A total of 240 female Cobb® chickens, derived from the same flock of breeders, was distributed in a completely randomized experimental design with a 2 (initial weight) by 2 (litter material) factorial...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Breast lesions; Footpad lesion; Sawdust; Wood shavings.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2011000300001
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Effect of Wood shavings on the Temperature Profile of Livestock Waste during Composting with Daily Turning CIGR Journal
Ngwabie, Ngwa Martin; Tiku, Tabe David; Yengong, Lamfu Fabrice; Manga, Ebot Veronica.
Measurements were conducted to assess the impact of wood shavings on the temperature profiles of cattle and pig manure during aerated composting. Cattle stomach waste to wood shavings were mixed in mass ratios of 100:0%, 80:25%, and 75:25% and placed in three different chambers. Pig manure was also mixed with wood shavings in ratios similar to that of cattle stomach waste and placed in three different chambers. The piles were left to compost for 21 days after which the experiment was repeated. During composting, each pile temperature and pH were measured daily. On each measurement day, the compost pile in each chamber was weighed and aerated by moving into an empty chamber. Compost samples were collected from each chamber twice a week for dry matter and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aeration; Composting; Livestock; Manure; Temperature profile; Wood shavings.
Ano: 2022 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/7433
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