Results 1 to 10 of about 119,873 (309)
Holding on or heading up? The roosting preferences of brown- and white-feathered laying hen pullets [PDF]
Although laying hens are known to be motivated to roost as high as possible and to use a perch that allows them to grasp, little is known about how these behaviours develop in young birds.
Madison Penney +4 more
doaj +2 more sources
Similarity and Genetic Variation of Climbing Perch, Anabas testudineus (Bloch, 1792), From Java, Sumatra, and Kalimantan Islands, Indonesia [PDF]
Climbing perch, Anabas testudineus, is an economically important freshwater fish in Indonesia. The climbing perch, also known as betok, has emerged as a prominent species in aquaculture due to its air-breathing ability, which allows the climbing perch to
Rudhy Gustiano +12 more
doaj +2 more sources
Visual perception plays a crucial role in foraging, avoiding predators, mate selection, and communication. The regulation of color vision is largely dependent on opsin, which is the first step in the formation of the visual transduction cascade in ...
Ke Lu +6 more
doaj +1 more source
Background As economical traits, food habits domestication can reduce production cost in aquaculture. However, the molecular mechanism underlying food habits domestication has remained elusive.
Shan He +4 more
doaj +1 more source
Effect of social order, perch, and dust-bath allocation on behavior in laying hens [PDF]
Objective The objective of this study was to determine the effects of different social ranking order (SRO) and the enrichments (perch and dust-bath) allocation (EA) on behavior of laying hens in furnished cages.
Yanan Wang +6 more
doaj +1 more source
Background Early nutritional programming affects a series of metabolism, growth and development in mammals. Fish also exhibit the developmental plasticity by early nutritional programming.
Qiang-Sheng Zhu +5 more
doaj +1 more source
Proenkephalin (PENK), as the precursor of endogenous opioid enkephalin (ENK), is widely present in the nervous system and plays an important role in animal food addiction and rewarding behavior.
Yingcen Li +3 more
doaj +1 more source
Does environmental enrichment improve performance, morphometry, yield and weight of broiler parts at different ages? [PDF]
The inclusion of environmental enrichment in conventional broiler rearing can increase mobility, bone mass and muscle. This research aimed to evaluate the use of environmental enrichment in the rearing of broilers at different ages and its influence on ...
Aérica C. Nazareno +4 more
doaj +1 more source
Although studies have determined that epigenetics plays an essential role in regulating metabolism in mammals, research on nutrition-related DNA methylation remains to be lacking in teleosts.
Wen-Jing Cai +9 more
doaj +1 more source
The mandarin fish (Siniperca chuatsi) is an important economic fish species in China. Many carnivorous fish larvae feed on zooplankton or microdiets.
Ling Li +3 more
doaj +1 more source

