نتایج جستجو برای: samples of litter

تعداد نتایج: 21171688  

2007
John P. Brooks

Poultry rearing in the United States is approximately a thirty million dollar per year industry. To produce this large number of product, a by-product such as poultry litter is inevitable. The land application of poultry litter as an organic fertilizer is an ideal choice for the disposal of this high nitrogen, high organic waste. However, some precautions must be observed, particularly with reg...

2014
Peter N Gichuhi Kokoasse Kpomblekou-A Adelia C Bovell-Benjamin

Organic farming has been on an upward trend in recent years. However, the manures used like broiler litter have variable nutrient content, making it important to establish optimal application rate, for maximum crop yield and quality. Additionally, some states like Alabama restricts the amount of broiler litter to control excessive nutrients accumulation which can lead to surface and ground wate...

Journal: :iranian journal of applied animal science 2013
g.q. zhu q.i. wang y.g. kang y.z. lv b.y. cao

in this study, we investigated the relationship between the genetic polymorphism of growth differentiation factor 9 (gdf9) genes and the litter size in 384 individuals of five breeds of black goats. four pairs of primers were designed to detect single nucleotide polymorphism of gdf9 gene in goats by pcr-sscp. the least square was used to analyze the relation between different genotypes and the ...

This study was conducted to evaluate the effects of Atriplex canescens on soil properties and organisms' activities under grazing and exclosure conditions at Shahriar rangelands. In each site, four transects were selected by random-systematic method and 10 quadrates of nine m2 were established along transects with 30-m intervals. In each quadrate, the amount of seed per plant, litter and the nu...

Journal: :journal of agricultural science and technology 2012
h. mohammadi m. moradi shahrebabak h. moradi shahrebabak

a selection program is being implemented to improve meat production in makooei sheep. increasing litter size per ewe is the main objective, but possible repercussions on weight traits of lambs should be considered. the aim of this study was to estimate heritability along with genetic and phenotypic correlations between ewe's reproductive vs. weight traits in makooei ewes. data were comprised of...

2016
P. S. Sawyer

This paper presents a set of spectral reflectance data of numerous surface cover types of the Big Pine Creek watershed in California’s Eastern Sierra Nevada Mountains. Ground cover vegetative types include several samples of deciduous broad leaf and narrow leaf trees, needle leaf conifers, sages, and needle leaf and broad leaf shrubs. In addition, several litter samples as well as soil and rock...

Ali Moghadam Ali Niazi Amin Tamadon, Atefeh Noroozi Mohammad Reza Jafarzadeh Shirazi

Background RFamide-related peptide-3 (RFRP-3) inhibits gonadotropin releasing hormone (GnRH) and luteinizing hormone (LH) secretion in rats. This study evaluates the effects of litter size and suckling intensity on RFRP mRNA expression in the dorsomedial hypothalamic nucleus (DMH) of rats. MaterialsAndMethods A total of 32 pregnant and 4 non-lactating ovariectomized (control group) Sprague-Dawl...

Journal: :Journal of applied life sciences international 2021

The study was carried out at the poultry unit of Department Animal Science teaching and research farm, Ahmadu Bello University, Zaria to determine Chemical Microbial Analysis Poultry Litter Treated with Graded Levels Aluminium sulphate (Alum). alum used obtained from Sabon-garimarket in Zaria, Kaduna State. (alum) applied wood shavings by mixing it thoroughly using hands covered hand gloves. ra...

Rangelands are the most important ecosystem for carbon sequestration. Knowledge of plant response to grazing is one of important requirements for rangeland management. Stocking rate is one of main factors in destruction of the vegetation cover in rangeland ecosystems. Livestock grazing has the potential to substantially alter carbon storage in grassland ecosystem. This study examined the effect...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید