Results 21 to 30 of about 4,081,684 (342)

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

Low loss waveguide-based Butler matrix with iris coupling control method for millimeterwave applications [PDF]

open access: yes, 2021
This paper proposes a low loss 4×4 Butler matrix based on rectangular waveguide cavity resonators technology for millimeterwave beamforming network using iris coupling method.
A. Majid, H.   +7 more
core   +1 more source

EVALUATION OF GENETIC VARIABILITY BETWEEN THREE LINES OF CHICKENS BASED ON RAPD-PCR AND 18S rRNA GENE SEQUENCING IN ERBIL (IRAQI KURDISTAN REGION) [PDF]

open access: yesMesopotamia Journal of Agriculture, 2021
The current study was carried out to evaluate and identify the genetic variation between Local Black chicken lines with two commercial Layer (Isa Brown) and Broiler (Rose) breeds using RAPD markers and sequencing approach of 18s rRNA gene.
Hemin Ali Omarbly   +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

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

Pengaruh Pemberian Tumbuhan Obat terhadap Performa Produksi dan Karakteristik Reproduksi Ayam Petelur

open access: yesJurnal Agripet, 2020
ABSTRAK. Performa produksi, jumlah folikel dan berat organ reproduksi diukur pada 40 ekor ayam petelur yang diberi perlakuan penambahan 5% tepung daun tumbuhan obat yaitu daun Katuk (5%TDK), daun Marigold (5%TDM), daun Senduduk (5%TDS) ke dalam ransum ...
Nurmeiliasari Nurmeiliasari   +2 more
doaj   +1 more source

Biosecurity practices on Australian commercial layer and meat chicken farms: Performance and perceptions of farmers. [PDF]

open access: yesPLoS ONE, 2018
This paper describes the level of adoption of biosecurity practices performed on Australian commercial chicken meat and layer farms and farmer-perceived importance of these practices.
Angela Bullanday Scott   +8 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

Patterns of Avian Influenza A (H5) and A (H9) virus infection in backyard, commercial broiler and layer chicken farms in Bangladesh.

open access: yesTransboundary and Emerging Diseases, 2020
In order to control Highly Pathogenic Avian Influenza (HPAI) H5N1 and Low Pathogenic Avian Influenza (LPAI) H9N2 virus spread in endemically infected countries, a detailed understanding of infection patterns is required.
S. Gupta   +3 more
semanticscholar   +1 more source

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