Results 61 to 70 of about 70,208,352 (164)
Reproductive decisions in the lesser black-backed gull larus fuscus and their effects on reproductive success [PDF]
, 1998 The effect of several fundamental reproductive 'decisions' upon reproductive success were examined over a three year period at a large, inland gullery in the Pennines.
Royle, Nicholas John
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Effect of egg weight on ostrich (Struthio camelus) chick weight and growth
Italian Journal of Animal Science, 2010 The aim of this paper is to evaluate the effects of the age of ostriches and month of laying on egg production and chickgrowth. On a small ostrich farm egg production, egg incubation and chick growth from hatching to 56 days of age wererecorded from 2000,
Gianluca Picco +3 more
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Off-Farm Work and On-Farm Investment [PDF]
This work has developed a theoretically consistent model of a farm household's choice between working on-farm and working off-farm and the effects of that choice on farm investment choices.
Aldana, Ursula, Foltz, Jeremy D.
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ON- AND OFF-FARM DIVERSIFICATION [PDF]
The present paper brings together two strands of literature by analysing the interrelationship between on-farm and off-farm diversification econometrically.
Weiss, Christoph R., McNamara, Kevin T.
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On-farm hatching to improve broiler welfare from the start
In a commercial hatchery, broiler chicks hatch within a period of 24-48 hours in a hatcher. During this time, usually no water or feed is available. Only once the hatching phase is over, all the chicks are removed from the hatcher, whereafter they go through a range of hatchery procedures before they are transported to the barns for rearing.
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Poultry SciencePoultry meat and eggs are major sources of foodborne salmonellosis in the United States, with contaminated hatching eggs acting as a key transmission route for Salmonella Enteritidis (SE) from hatchery to farm. Although chemical disinfectants are used to
Praveen Kosuri +5 more
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Profitable Combination of Laying Flocks Hatched in Different Months in the Commercial Egg Farm
Nihon Chikusan Gakkaiho, 1961 1. What is the best ratio of spring-hatched flock to fall-hatched flock in order to get the highest net profit in a commercial egg farm?As a result of the theoretical analysis of this problem, the following conclusions were reached.(1) In the case of K〈RA: it is most profitable to hold only a spring-hatched flock.(2) K〉RA: the most profitable way is to
openaire +2 more sources
Farm tenancy: report of the President's Committee
, 1937 Diagrams on p. [2] and [3] of cover."4to."Prepared by a joint technical committee of the President's Special Committee on Farm Tenancy and the National Resources Committee consisting of L.C. Gray, chairman, John D. Black, E.G. Nourse and others. cf.
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Animal MicrobiomeBackground Variations in body weight (BW) remain a significant challenge within broiler flocks, despite uniform management practices. Chicken growth traits are influenced by gut microbiota, which are in turn shaped by early-life events like different ...
Muhammad Zeeshan Akram +4 more
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PathogensTicks pose a significant threat due to their ability to lay thousands of eggs, which can persist in the environment for extended periods. While the impact of various compounds on adult and larval ticks has been studied, research on their efficacy against
Samar M. Ibrahium +7 more
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