نتایج جستجو برای: indigenous breeding hen
تعداد نتایج: 96207 فیلتر نتایج به سال:
Climate change and associated changes in weather patterns have globally widespread effects on natural systems. Shifts phenology can affect the reproductive success of birds by causing a mismatch between onset breeding favourable conditions for reproduction, such as peak food availability. Weather their also long been discussed affecting grouse (Tetraoninae) contributing to rapid declines many c...
Abbasali Gheisari*, Peyman Ghayor Department of Animal Science, Isfahan Research Center for Agriculture and Natural Resources, Isfahan,Iran * Corresponding author E-mail: [email protected] Received: 15 August 2013 Accepted: 21 November 2013 Abstract This experiment was conducted to investigate the effect of feeding 5 experimental diets containing 0, 5, 10, 15 and 20%...
VILLAGE POULTRY PRODUCTION IN THE SUDAN. A survey form provided by the Joint FAO/IAEA Division was used to collect data on village poultry production in the Sudan. The production system in the households was based on scavenging indigenous domestic chickens, at times accompanied by pigeons, guinea fowls, ducks or turkeys. The average flock size was 18.8 birds and included 44.3% hens, 10% cocks, ...
At least 150 indigenous African cattle breeds have been named, but the majority of African cattle populations remain largely uncharacterized. As cattle breeds and populations in Africa adapted to various local environmental conditions, they acquired unique features. We know now that the history of African cattle was particularly complex and while several of its episodes remain debated, there is...
The BLRI Cattle Breed 1(BCB-1) is a native cattle breed developed by Bangladesh Livestock Research Institute (BLRI) through selective breeding among indigenous cattle of Bangladesh. Data asserted from record sheets of 529 animals maintained during 1992 to 2006 were analyzed to evaluate the reproductive efficiency of BCB-1 cattle in different generations, seasons and parities. The highest percen...
The study was conducted to determine the semen characteristics of three genotypes of Nigerian indigenous cocks. Thirty Six (36) local breeding cocks comprising of 12 frizzle, 12 normal and 12 naked neck selected randomly from the poultry breeding unit of the University of Port Harcourt Teaching and Research farm was used for this study. Semen were collected from them by abdominal massage and an...
India is the foremost milk producing nation of the world, and homes the largest domesticated bovine population. But the average productivity of indigenous/non-descript animals is far below than that of Taurine cattle. Crossbreeding of low producing indigenous and nondescript cattle with high producing exotic breeds like Holstein Friesian and Jersey is followed as the breeding policy of the coun...
OBJECTIVES To describe levels of risky sexual behaviour, HIV testing and HIV knowledge among men and women in Guatemala by ethnic group and to identify adjusted associations between ethnicity and these outcomes. DESIGN Data on 16,205 women aged 15-49 and 6822 men aged 15-59 from the 2008-2009 Encuesta Nacional de Salud Materno Infantil were used to describe ethnic group differences in sexual ...
India's nuclear power program is based on indigenous materials and technology, with the potential for providing energy security for many centuries. This paper examines the technical validity of this plan, specifically the role of breeder reactors for extending the domestic uranium supplies. Our study shows breeding is unlikely to occur at anywhere near the rates envisioned, leading to a slow gr...
There is growing of the effects of insecticide used controlling the vectors of human diseases. Manipulating or introducing an auto-reproducing predator into the ecosystem may provide sustained biological control of pest populations. The selection of a biological agent should be based on its self-replicating capacity, preference for the target pest population in the presence of alternate natural...
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