Results 121 to 130 of about 16,159 (235)

Temporal dynamics of sperm morphology in broiler breeders: Evidence of rapid non-linear patterns of decline

open access: yesPoultry Science
Broilers are the cornerstone of poultry meat production. However, recent trends have raised concerns about broiler breeder fertility/ hatchability, which is predicted to decline to 60% by 2050. Data from the National Agricultural Statistics Service (NASS)
Kolton Witherspoon   +7 more
doaj   +1 more source

Genetic and phenotypic characterization of intestinal spirochetes colonizing chickens and allocation of known pathogenic isolates to three distinct genetic groups [PDF]

open access: yes, 1997
Infection with intestinal spirochetes has recently been recognized as a cause of lost production in the poultry industry. Little is known about these organisms, so a collection of 56 isolates originating from chickens in commercial flocks in Australia ...
McLaren, A.J.   +4 more
core   +1 more source

Vasotocin receptor expression in the brain and pituitary gland during the ovulatory cycle of the fowl [PDF]

open access: yes, 2001
Vasotocin receptors are members of seven transmembrane spanning G-protein associated receptors. Several isoforms have been recognized in mammals and birds.
Kirby, John   +2 more
core   +2 more sources

Molecular detection of Mycoplasma gallisepticum by real time PCR [PDF]

open access: yes, 2014
Mycoplasma gallisepticum (MG) causes chronic respiratory disease leading to huge economic losses to the poultry industry worldwide. Early and efficient detection is therefore crucial in reducing the loss sustained by poultry farmers and poultry industry ...
Ahmad, K.   +7 more
core  

Frequency Of Isolation Of Salmonella From Commercial Poultry Feeds And Their Anti-Microbial Resistance Profiles, Imo State, Nigeria [PDF]

open access: yes, 2006
This study was conducted to determine the frequency of isolation of salmonella and their microbial resistance profiles across different commercial poultry feeds sold in Imo State, Nigeria.
Ndujihe E, G   +2 more
core  

Options for dust reduction from poultry houses [PDF]

open access: yes
Large poultry houses emit high amounts of fine dust (PM10) and in many cases they exceed the ambient air quality standard set by the EU. Technologies for PM10 reduction need to be developed on short term to minimize PM10 emissions from poultry houses ...
Aarnink, A.J.A.   +6 more
core   +1 more source

Validation of the HEN model for organic laying hens and assessment of nutrition in organic poultry (CTE0202) [PDF]

open access: yes, 2005
Introduction Regulation EC1804/1999 sets out the minimum standards for organic livestock production and UK organic poultry producers have to adhere to for organic poultry.
Gordon, S
core  

Animal breeding in organic farming:Discussion paper [PDF]

open access: yes, 2001
It is uncertain whether animals which have been bred for conventional production are capable of optimum performance in organic conditions. In conventional agriculture there is a movement towards maximum control of production conditions in order to ...
Baars, Nauta   +4 more
core  

Evaluation of Economic Losses due to Coccidiosis in Poultry Industry in India [PDF]

open access: yes
Coccidiosis is an old parasitic disease, prevalent all over the country and has a significant impact on poultry production. In this paper, economic loss to poultry industry has been estimated considering the major economic parameters.
Bera, Asit Kumar   +5 more
core   +1 more source

The welfare of broiler breeders

open access: yesAnimal Welfare, 1999
In August 1998, the UK's Farm Animal Welfare Council (FAWC) published its most recent report: addressing the welfare of broiler breeders. Some 780 million broiler chicks are produced annually in the UK and at any one time the national population of broiler breeder hens that produce these chicks is about 6 million.
openaire   +1 more source

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