Results 31 to 40 of about 4,516,633 (288)

Interconnection between Adrenergic and Dopaminergic Systems in Feeding Behavior in Neonatal Chicks [PDF]

open access: yesArchives of Razi Institute, 2021
Central dopaminergic (DAergic) and adrenergic systems have a prominent role in appetite regulation; however, their interaction(s) have not been studied in neonatal layer chickens.Therefore, the current study aimed to determine the interaction of central ...
F Zanganeh   +3 more
doaj   +1 more source

Microbial Diversity and Community Variation in the Intestines of Layer Chickens [PDF]

open access: yesAnimals, 2021
The intestinal microbiota is increasingly recognized as an important component of host health, metabolism and immunity. Early gut colonizers are pivotal in the establishment of microbial community structures affecting the health and growth performance of chickens. White Lohmann layer is a common commercial breed.
Sha-Sha Xiao   +7 more
openaire   +3 more sources

Evidence for an interaction between cannabinoidergic and dopaminergic systems with melanocortin MC3/ MC4 receptors in regulating food intake of neonatal chick [PDF]

open access: yesThe Iranian Journal of Veterinary Science and Technology, 2021
The current study aimed to see how the central dopaminergic and cannabinoidergic mechanisms affect melanocortin-induced food intake in the neonatal layer chickens. In this regard, 9 experiments were designed. In experiment 1, chicks injected with control
Mohammad Bameri   +4 more
doaj   +1 more source

Rearing Male Layer Chickens: A German Perspective [PDF]

open access: yesAgriculture, 2018
The killing of male layer hybrids in the hatcheries, at a day-old, is common practice but it also raises strong socio-ethical concerns. In recent years, three different approaches to avoid this killing have been developed—the in ovo sex determination, the rearing of male layers for meat, and the use of dual-purpose breeds. In Germany, about one million
Mona Franziska Giersberg, Nicole Kemper
openaire   +2 more sources

Technical Efficiency Analysis of Layer and Broiler Poultry Farmers in Pakistan

open access: yesAgriculture, 2022
Achieving high production with limited resources is a major challenge faced by poultry farmers in countries with developing economies, such as Pakistan. Optimization of the technical efficiency (TE) of poultry business operations is a promising strategy.
Nisar Ahmed Khan   +4 more
doaj   +1 more source

Metastatic adenocarcinoma in a layer chicken flock (case report) [PDF]

open access: yesĀsīb/shināsī-i Darmāngāhī-i Dāmpizishkī, 2020
In hens, spontaneous tumors of the ovary and, less frequently, of the oviduct, are common. Leiomyoma and oviduct adenocarcinoma are the most common tumors of the reproductive tract in laying hens.
saeed seifi, ali afzali larijani
doaj   +1 more source

Bacteriological and pathological studies of egg peritonitis in commercial layer chicken in Namakkal area.

open access: yesAsian Pacific Journal of Tropical Biomedicine, 2013
P. Srinivasan   +3 more
semanticscholar   +3 more sources

COMPARISON OF SOME LINEAR BODY MEASUREMENT TRAITS OF LOCAL AND COMMERCIAL CHICKEN BREEDS OF SOUTH AFRICA

open access: yesSiberian Journal of Life Sciences and Agriculture, 2021
Linear body measurement traits are used for the estimation of body weight in animal breeding to aid livestock farmers where the weighing scale is not available. The objective of the work was to determine the effect of breed on body weight (BW) and linear
Thobela Louis Tyasi   +2 more
doaj   +1 more source

A biphasic curve for modeling, classifying, and predicting egg production in single cycle and molted flocks

open access: yesPoultry Science, 2020
Egg production on a flock level can be summarized into several phases determined by biology of individual birds: rapid increase in production reflecting achieving sexual maturity, peak production related to maximum laying potential, followed by gradual ...
Anna Wolc   +3 more
doaj   +1 more source

Interaction of Central Glutamatergic and Histaminergic Systems on Food Intake Regulation in Layer Chickens [PDF]

open access: yesArchives of Razi Institute, 2021
This study purposed to discover the connection between the central glutamatergic and histaminergic systems on feeding behavior in layer chickens. In the first experiment, chicks obtained intracerebroventricular (ICV) injections of saline (control ...
M Mobarhan Fard   +3 more
doaj   +1 more source

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