نتایج جستجو برای: stocking density

تعداد نتایج: 412527  

A Selcuk, F Çagiltay , N Erkan, Ö Özden, Ş Ulusoy,

This study describes the effects of different stocking densities on texture/colour characteristics, protein content /amino acid and lipid content/fatty acid composition of rainbow trout fillet. Stocking density was selected 5 (Group A), 15 (Group B), 25 (Group C) kg fish m−3. Tukey’s Multiple Comparison Test showed insignificant differences between measured size/weight measurement and condition f...

2008
Mehmet Kenan TÜRKYILMAZ

The aim of this study was to investigate the effect of stocking density on the heterophil to lymphocyte ratio (H:L), blood corticosterone concentration, immune response, and some performance parameters in broilers during summer. In all, 300 1-dayold commercial broiler chicks (Ross 308) were housed at densities of 15, 20, and 25 birds/m, with 2 replicates of each. H:L ratio and blood corticoster...

2013
Charles Perrier Jean-Luc Baglinière Guillaume Evanno

Genetic admixture between wild and introduced populations is a rising concern for the management of endangered species. Here, we use a dual approach based on molecular analyses of samples collected before and after hatchery fish introduction in combination with a simulation study to obtain insight into the mechanisms of admixture in wild populations. Using 17 microsatellites, we genotyped pre- ...

B Sicuro, E Panini G Forneris

This research represents the first attempt in Italy to develop a cage system for adult freshwater mussel stocking, for extensive farming, that was realized from 2003 to 2005 in NW Italy. Two autochthonous species of Italian freshwater mussel were used: Anodonta anatina and Unio mancus. 5133 mussels were collected and successively stocked in floating cages in 5 different sites in a lake. This st...

2013
B. K. Chakraborty N. N. Nur

Production potential of shingi, Heteropneustes fossilis and koi, Anabas testudineus in polyculture were assessed at a stocking density of 2, 47,000 and 3, 70,500 ha-1, respectively in treatment T1 and T2. Monoculture of H. fossilis and A. testudineus was designed at a stocking density of 2, 47,000 ha-1 in treatment T3 and T4, respectively. Culture period of shingi was 120 days and koi was 100 d...

2017
Angela R. Green Hongwei Xin

Current and relevant heat and moisture production data for laying hens are necessary for sizing and operating ventilation systems for commercial layer housing. Different stocking densities are being adopted in cage layer facilities, but there is a lack of information concerning the potential impacts of these changes on environmental control. A study was conducted with 24 groups of 48 hens (39 t...

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