Breeding perfromance in the Italian chicken breed Mericanel della Brianza
- The effect of egg weight on the hatchability and growth performance of New Hampshire and Rhode Island Red chicks. De Witt, F.; Schwalbach, L. M. J. // South African Journal of Animal Science;2004, Vol. 34 Issue 6, p62
A trial was conducted to determine the effect of egg-weight on the hatchability and growth performance of chickens. Large and medium eggs of New Hampshire (NH) and Rhode Island Red (RIR) hens were grouped in four categories, according to their weight and breed. Twenty-seven eggs from each group...
- Guineas, chickens and the persistent setting pullet. Ledesma Jr., Luis // Countryside & Small Stock Journal;Jan/Feb2005, Vol. 89 Issue 1, p72
Talks about the experience of taking care of guineas and chickens. Benefits associated with taking care of guineas; Reason for selecting two breeds of chicken; Characteristic of the Wyandotte pullets when it comes to hatching eggs.
- Our experiences with broody hens. Mullen, Jeanne // Countryside & Small Stock Journal;May/Jun99, Vol. 83 Issue 3, p87
Provides information on how to raise broody hens. Features of Araucanas; Flavor quality of rooster meat; Recommended place for hens to brood its eggs; Advantages of fresh grass to hens; Advice on the use of a bantam for hatching eggs; Advantages of sprouted wheat for feeding hens.
- Restoring wildlife to its rightful place. // National Wildlife (World Edition);Feb/Mar2000, Vol. 38 Issue 2, p4
Comments on the importance of restoring declining wildlife populations. Efforts of environmentalists in saving salmon populations.
- Experimenting with chickens. Ovefelt, Willene // Countryside & Small Stock Journal;Jan/Feb2005, Vol. 89 Issue 1, p78
Explores a system used in finding best chicken meat and egg layers. Effect of commercial feed on chickens; Breeds of chicken a breeder can experiment with; Mystery in setting hens.
- 50 Years of Behavior. // National Wildlife (World Edition);Apr/May86, Vol. 24 Issue 3, p54
Focuses on studies on wildlife behavior conducted by the National Wildlife Federation in the U.S. Significance of studying animal behavior in the task of monitoring their population; Animal navigation during migration; Studies on aggression within a species; Ways by which animals protect...
- Bleak future for British conservation. // New Scientist;12/1/90, Vol. 128 Issue 1745, p22
Reports on the warning from the British government's advisers on wildlife protection about the imminence of a population crash among the country's seabirds. Annual report of the Nature Conservancy Council (NCC); Ecological problems highlighted by NCC.
- Population Structure and Growth of the Turtle Actinemys marmorata from the Klamath-Siskiyou Ecoregion: Age, Not Size, Matters. Bury, R. Bruce; Germano, David J.; Bury, Gwendolynn W. // Copeia;Sep2010, Vol. 2010 Issue 3, p443
Determining the demographic structure of turtles is important to understanding their population status and conservation needs. Concern has been raised for the long-term persistence of the Western Pond Turtle (Actinemys marmorata) based on demographic analyses using size while ignoring age. Here,...
- Analysis of the Population Dynamics of an Endangered Lizard (Xenosaurus grandis) through the Use of Projection Matrices. Zúñiga-Vega, J. Jaime; Valverde, Teresa; Rojas-González, R. Isaac; Lemos-Espinal, Julio A. // Copeia;May2007, Vol. 2007 Issue 2, p324
We conducted a demographic analysis from 2000 to 2004 of a population of the crevice-dwelling lizard, Xenosaurus grandis, in Veracruz, MÃ©xico. We used population projection matrices to model its population dynamics. Three of the four annual matrices projected an actively growing population,...