This study was aimed at evaluating the physiological and metabolic responses of juvenile hybrid grouper ♀ Epinephelus fuscoguttatus × ♂ Epinephelus lanceolatus to stocking density. Hybrid grouper juveniles (mean±SE=25.43±2.36 g live mass) were stocked for 22 weeks in a recirculating aquaculture...

To determine the optimal salinity, stocking density, and algal density for hatchery culture of the Iwagaki oyster Crassostrea nippona larvae, three experiments with salinities of 14, 18, 22, 26, 30, and 34 practical salinity unit (PSU); stocking densities of 0.5, 1, 2, 4, 8, and 12 larvae ml^-1; and ...

Particulate matter (PM) concentrations are high in cage-free aviary hen houses due to accumulation of litter on the floor and hen activities. The use of a spraying agent such as acidic electrolyzed water (AEW) to mitigate PM levels and disinfect houses has been reported, and high spray dosages will ...

The juvenile GIFT tilapia Oreochromis niloticus with initial body weight of (1.05±0.12) g were randomly reared into cement 1.7 m × 1.0 m × 0.6 m ponds at stocking density of 45, 54, 63, 72, 81 and 90 ind/m³ with triplication for 90 d to evaluate the effects of culture density on growth and immune...

Affected by natural factors such as temperature, season and weather, or human factors such as eutrophication and high stocking density, oxygen concentration in the water environment where fish live is unpredictable, and they are often faced with a low-oxygen environment. Studies have found that...

Theories proposed to explain social play have centered on its function in establishing social relationships critical for adulthood, its function in developing motor skills needed to survive, and promoting cognitive development and social learning. In this study, we compared variations in social...

Particulate matter (PM) concentrations are high in aviary hen houses due to accumulation of litter on the floor and hen activities on it. Spraying agent such as acidic electrolyzed water (AEW) to mitigate PM levels and disinfect houses has been reported, and higher spray dosage will reduce PM to a...

Introduction. Spray-application of membraneless acidic electrolyzed water (MLAEW) is a novel technique for disinfection in livestock houses. This study investigated the loss of free chlorine (FC - the major germicidal component in MLAEW) over distance during spraying, as affected by air temperature ...

A number of chain restaurants, retailers, and grocers in the U.S. have pledged to source only cage-free (CF) eggs in the foreseeable future (e.g., by 2025) due to marketing reasons or concerns over animal welfare. However, CF housing has some inherent challenges, and a predominant one is poor air...

The paper was aimed to explore the effects of parities and lactation days on the oxidative stress status and milk yield of dairy cows. Cows were divided into 16 groups with 10 cows in each group after lactation of 0-30, 31-60, 61-90, 91-120, 121-150, 151-200, 201-250 and more than 250 days. Blood...