This experiment was conducted to compare water quality, growth performance, body composition, and insulin growth factor gene expression of Pacific white shrimp, Litopenaeus vannamei, reared under different stocking densities (100, 200, 300, and 400 shrimp m^-3) in a biofloc system with zero-water...

Commercialization of pearl culture requires large scale hatchery production of larvae. The survival of larvae depends on stocking density, environmental factors, diets and diseases. The results of experiments using 4 stocking densities at the rate of 100, 1000, 2000 and 3000 larvae L^-1 of filtered...

Introduction: Stresses such as climatic, environmental, nutritional, social and psychological stresses have negative effect on animal welfare, performance and immunological parameters. Following the increase in consumption of poultry products and the widespread production of these products,...

The aim of this study was to investigate the occurrence of Salmonella Enteritidis infection between the birds in Tabriz city aviary by molecular method. In this study, the presence of paratyphoid infection in the pet bird market of Tabriz city was investigated for the first time. One hundred six...

Bovine respiratory disease (BRD) is a common and complex disease process in calves. Subclinical disease exists and early detection can be challenging due to inconsistent or nonexistent clinical signs. Thoracic ultrasonography (TUS) is often used and has the potential to improve the identification...

Introduction: There is an increasing interest in the use of spineless cactus (Opuntia fícus-indica) as fodder for cows, goats, and sheep around the world especially in the arid and semi-arid regions. Cactus withstands water shortage, high temperature, and poor soil fertility, and thus adapted to...

BACKGROUND: Bordetella bronchiseptica is a gram negative pathogen of the respiratory tract in dogs, pigs, cats, horses, laboratory animals and human beings. OBJECTIVES: The goal of this study was detection of Bordetella bronchiseptica in oropharynx region of pet and kenneled dogs by PCR and culture ...

Salmonella is one of the major causes of food-borne diseases, worldwide. The aim of the present study was to describe the prevalence of Salmonella and to employ a polymerase chain reaction (PCR) assay to confirm the presence of Salmonella Enteritidis and Salmonella Typhimurium in the broiler...

In the present study, the quality of Litopenaeus vannamei postlarvae (PL) produced in some commercial hatcheries evaluated in three different hatcheries with different management in Chouebdeh Abadan, Iran. For evaluating management effects on PL quality, 180 postlarvae (30 postlarvae for each...

Background and Objectives: Lower critical temperature for a neonatal dairy calf ranges from 5 to 15°C. As the temperature drops below the calf's lower critical temperature, calf needs more dietary energy to maintain body temperature. If calves are fed the same amount of milk as under moderate...