Results 81 to 90 of about 34,285 (227)
THE INFLUENCE OF REARING SYSTEM ON SKIN COLOUR IN BROILERS [PDF]
Poljoprivreda, 2000 The aim of this study was to determine the effect of different rearing systems on the skin colour of commercial broilers. Research was carried out on 100 broilers of two different provenances (ross 208 and prelux-bro) up to 56 days of age. In the first
Dušan Terčič +4 more
doaj
Siliao yanjiu, 2021 The experiment studied the effect of moldy feed on growth performance, antioxidant capacity and morphology of intestine, liver and heart of broilers. 180 one-day-old broilers were randomly divided into two groups with six replicates in each group and 15 ...
Yong ZHANG +6 more
doaj
Uncovering Biogas Outcomes: Tales of Hubris, Hope, and Failure From Southern Malawi
Natural Resources Forum, EarlyView.ABSTRACT The purpose of this article is to speak directly to biogas failure. Over the past two decades, immense amounts of money have been spent by African governments, private individuals, and most conspicuously, international aid agencies and donors, on countless biogas projects in every country on the continent.
Marc Kalina +4 more
wiley +1 more source
Siliao yanjiu, 2022 The experiment was to study the effect of compound acidifier on broiler diet. A total of 1 200 AA white-feathered broilers hatched in the same batch with half in male and female were randomly divided into three groups, with eight replicates in each group
Xiao-liang WANG +6 more
doaj
Antimicrobial Use in Livestock: The Economic Cost of Action or Inaction
Journal of Agricultural Economics, EarlyView.ABSTRACT This paper quantifies the economy‐wide consequences of two independent global stress‐tests in livestock production. The first assesses the effects of phasing out antimicrobial growth promoters (AGPs), and the second evaluates the long‐term impacts of antimicrobial resistance (AMR) progression.
Alejandro Acosta +9 more
wiley +1 more source
Study on application effect of complex enzyme preparations in low-protein diets of broilers
Siliao yanjiu, 2023 The experiment was conducted to investigate the effect of adding complex enzyme preparation in low protein diet on growth performance, serum biochemical indices, intestinal morphology and immune organ indices of broilers.
LIU Sheng-jun +7 more
doaj
Cardiovascular Plasticity and Adaptation of High‐Altitude Birds and Mammals
Integrative Zoology, EarlyView.This schematic depicts the cardiovascular adaptations of mammals and birds to high‐altitude hypoxia. It highlights key phenotypic changes in oxygen transport and cardiac responses, driven by molecular mechanisms including transcriptional regulation and genetic modifications.
Huishang She, Yanhua Qu
wiley +1 more source
AnimalsTryptophan plays an important role in the pig industry but has the potential to improve performance in the poultry industry. The purpose of this study was to examine the effects of tryptophan supplementation in diets with different protein levels on the ...
Kailai Xie +14 more
doaj +1 more source
Siliao yanjiu, 2023 The experiment was to explore the effect of AAP with different dosage on growth performance and tissue antioxidant index of broilers. A total of 240 one-day-old AA broilers were selected and randomly divided into five groups, with six replicates in each ...
ZHANG Sheng-nan +6 more
doaj
British Journal of Pharmacology, EarlyView.Obesity is a chronic, relapsing, multisystem disease in which cardiometabolic risk arises from excess adiposity and progressive dysfunction of peripheral organs, ultimately disrupting endocrine and metabolic crosstalk among tissues. Within this network, sulphur‐based biology, centred on hydrogen sulphide and related reactive sulphur species, has ...
Martina Smimmo +4 more
wiley +1 more source