<b>Fish by-product meal in diets for commercial laying hens
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منابع مشابه
Exogenous Enzyme Improves Immunocompetence in Laying Hens Fed Diets Containing Safflower Meal
An experiment was conducted to study the effects of different levels of exogenous enzymes on egg quality characteristics and immunological responses of laying hens fed diets containing different levels of safflower meal. The 47-week old layers (Hy-Line W-36) were fed 10 experimental diets consisting five levels of safflower meal (0.0, 2.5, 5.0, 7.5 and 10.0%) and two levels of dietary exogenous...
متن کاملRequirement of Digestible Sulfur Amino Acids in Laying Hens Fed Sorghum- and Soybean Meal-Based Diets
Two experiments were done to evaluate the effect of increasing levels of dietary digestible methionine (Met) and Met:cysteine (Met:Cys) ratio on the productivity of Hy-Line W-36 laying hens fed sorghumand soybean meal-based diets. In Exp. 1, 160 hens from 68 to 75 weeks of age were assigned to four dietary levels of digestible Met (0.20 0.24, 0.28 and 0.32%). The digestible total sulfur amino a...
متن کاملPerch use by laying hens in a commercial aviary1
Non-cage housing systems, such as the aviary, are being implemented by the laying hen industry, including in North America, in an attempt to improve the welfare of hens. Perches are a resource that is consistently included in aviaries. Hens are strongly motivated to perch, and perching can improve leg bone strength. However, hens may prefer elevated perches, particularly at night, and thus simp...
متن کاملThe Possibility of Using Watermelon Waste in Laying Hens Diets
In this experiment 240 Hy-Line (W-36) laying hens from 65 to 75 weeks distributed in 5 treatments and 4 replicates (12 birds per replicate) in a completely randomized design were used. The amounts of watermelon skin meal (WSM) used to set the treatments were 0, 0.5, 1, 1.5 and 2% in 1 to 5 experimental groups. The results showed that using WSM up to 2% significantly improved the performance and...
متن کاملPhytase supplementation improved P utilisation of the laying hens fed barley - oats - soybean meal based diets
The objective of the study was to determine the effect of Quantum Blue phytase on P utilisation and bone parameter in laying hens fed barley, oat and soybean meal based diets. Over a period of 40 days 64 laying hens (from 29 weeks of age) were distributed to 4 treatments (8 cages, two birds each). Experimental diets with no inorganic P added were supplemented with 0, 150, 300 or 1200 FTU phytas...
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ژورنال
عنوان ژورنال: Acta Scientiarum. Animal Sciences
سال: 2017
ISSN: 1807-8672,1806-2636
DOI: 10.4025/actascianimsci.v39i3.34102