Results 81 to 90 of about 454,165 (300)

Probiotic and Acetic Acid Effect on Broiler Chickens Performance

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
Probiotics and organic acids are widely accepted as an alternative to in-feed antibiotics in poultry production. We carried the experiment with broiler chickens. In experiment we research effect of probiotic and acetic acids on the performance of broiler
Martin Král   +4 more
doaj  

The effect of a clinoptilolite-based feed supplement on the performance of broiler chickens

open access: yesCzech Journal of Animal Science, 2006
The main objective of this research was to verify the effect of feed mixtures supplemented with clinoptilolite-containing ZeoFeed (at a level of 1% and 2%) on the performance traits of broiler chickens in the period of their growth.
P. Suchý   +4 more
doaj   +1 more source

Big Chicken: Pollution and Industrial Poultry Production in America [PDF]

open access: yes, 2011
Describes how the consolidation of the poultry industry raises concerns about treatment and disposal of waste, especially in the Chesapeake Bay area.

core  

Leptin receptor in the chicken ovary: potential involvement in ovarian dysfunction of ad libitum-fed broiler breeder hens [PDF]

open access: yes, 2004
In hens, the ovarian follicles committed to ovulation are arranged in an ordered follicular hierarchy. In standard broiler breeders hens genetically selected for high growth rate the reproductive function is clearly dysfunctional.
Cassy, Sandrine   +5 more
core   +3 more sources

Identification of Escherichia coli from broiler chickens in Jordan, their antimicrobial resistance, gene characterization and the associated risk factors

open access: yesBMC Veterinary Research, 2019
BackgroundAvian pathogenic Escherichia coli (APEC) is the principle cause of colibacillosis affecting poultry. The main challenge to the poultry industry is antimicrobial resistance and the emergence of multidrug resistant bacteria that threaten the ...
R. A. Ibrahim   +5 more
semanticscholar   +1 more source

Effect of medicinal and food homologous plants polysaccharides on animal nutrition and health: A review

open access: yesFood Biomacromolecules, EarlyView.
Abstract As one of the most important components of foods, animal meat provides a lot of protein, fat, and energy for humans. However, nutrition and health of animals directly affect the healthiness of human, especially antibiotic residues in animals induced by abuse of antibiotics.
Zichao Wang   +8 more
wiley   +1 more source

Black soldier fly defatted meal as a dietary protein source for broiler chickens: effects on carcass traits, breast meat quality and safety.

open access: yesAnimal, 2019
Finding insect meals as alternative sources of poultry feedstuffs is a recent research topic; therefore, the present study aimed to evaluate the effects of defatted black soldier fly (Hermetia illucens L., HI) larvae meal in broiler chicken diets on the ...
A. Schiavone   +7 more
semanticscholar   +1 more source

The Effects of Human Presence, Restraint, and Stressed Neighbors on Corticosterone Levels in Domesticated Budgerigars (Melopsittacus undulatus)

open access: yesZoo Biology, EarlyView.
Female budgerigars (Melopsittacus undulatus) did not significantly elevate their plasma corticosterone levels in response to human presence at the beginning of the experiment. However, plasma corticosterone was significantly elevated by restraint stress, the return of a neighbor that received restraint stress, and human presence at the end of the ...
Dustin G. Reichard, Kelly V. Summers
wiley   +1 more source

Measurement of true ileal calcium digestibility of feed ingredients for broiler chickens : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Animal Science at Institute of Veterinary, Animal and Biomedical Science (IVABS), Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 2017
Listed in 2017 Dean's List of Exceptional ThesesThe recent interest towards the use of digestible phosphorus (P) in poultry feed formulations necessitates the measurement of true calcium (Ca) digestibility of feed ingredients because of the close ...
Anwar, Muhammad Naveed
core  

Effect of Electrolyte Balance in Low-Protein Diets on Broiler Performance and Tibial Dyschondroplasia Incidence [PDF]

open access: yes, 2003
A proper dietary electrolyte balance (DEB) is essential to ensure an optimum acid-base equilibrium and broiler performance. In low-CP diets, this balance can be affected by reduction of soybean meal and inclusion of high levels of synthetic amino acids ...
Franco, J. R. G.   +5 more
core   +2 more sources

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