This dissertation is a case study of the potential economic benefits that could accrue to a traditional pastoral society if attempts were made to diversify assets to include nonpastoral investment such as simple savings accounts in banks or community credit unions. Broad socioec…
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Poultry can be a vehicle for the transmission of salmonellosis and the contamination of carcasses is primarily from feces. Bactericidal treatments may be used to correct the problem. A study was conducted to evaluate the effectiveness of several bactericides (i.e., chlorine, tri…
Pasteurella multocida, the causative agent of avian cholera, has been recognized as one of the important infectious agents for avian species. Despite vaccination efforts, avian cholera outbreaks still occur in the commercial poultry. However, the manner in which birds become inf…
Near infrared reflectance spectroscopy (NIRS) and geostatistical techniques were used to predict diet quality of sub-Saharan African (SSA) livestock, and to create cokriged estimated diet quality maps for cattle across a landscape. Rations of native vegetation were stall-fed to …
A field survey and a metabolism experiment were conducted to study livestock watering practices in the Moroccan Pre-Sahara and their changes with drought extent, season, ecological zone, pastoral system and herd size. The metabolism experiment was designed to determine effects o…
The objective of this research was to evaluate the effect of heat processing on amino acids. Heat processing of ingredients for livestock and poultry feeds has become standard practice over the last 50 years. Pelleting and extrusion are technologies used to improve nutrient util…
A series of experiments were conducted to evaluate the protein quality of various fresh meat and animal by-product meals commonly used in companion animal diets, and to compare protein quality of corn gluten meal and poultry-byproduct meal samples from differing locations. The e…
A series of studies were conducted to determine how intestinal function in animals could be manipulated by exogenous administration of peptides. In all bird studies, epidermal growth factor (EGF) or peptide YY (PYY) was administered three days prior to hatching (US Patent #5,916…
Cereal stubble and straw are widely used as animal feeds for sheep in arid areas of Morocco. Their low protein concentration limit their intake and therefore their potential of production. A 10-wk wheat (Triticum aestivum L.) stubble grazing trial was conducted to study the effe…
An extensive literature review and comparative analysis of heat and moisture production (HP, MP) of various poultry types (layers, broilers, and turkeys) and their housing systems indicated that total heat production (THP, W/kg) has increased over the years by about 15 to 44% (1…
Two experiments were conducted to determine the effects of level of concentrate supplementation and ruminally undegraded protein on dry matter intake and milk production on Holstein cows in late (Exp1) and early (Exp2) lactation. In each experiments, eighth (8) Holstein cows wer…
Experiments were conducted to evaluate oligosaccharides (OS) and fish oil on gastrointestinal tract characteristics and metabolic profiles of humans, pigs, and rats. Experiment 1, thirty healthy human adult males were assigned to one of two enteral diets, a control (n = 10) and …
Two feeding trials involving 32 cattle and 32 buffaloes or 137 to 149 kg body weight (BW) and 103 to 150 kg BW, respectively were conducted over a period of 14 months in Malaysia. In the first trial, maintenance requirements and efficiencies of energy use for tissue storage in K…
The present study evaluated effects of in vitro treatment of gossypol (GP) on testosterone (T) secretion in rat, dog, boar, and bull testicular interstitial cells as well as progesterone and estradiol secretion in porcine granulosa cells. In addition, changes in progesterone sec…
Donkeys survive under conditions inhospitable to horses and cattle. Energy intake and expenditure was studied using 12 donkeys at Cornell (4 male, 2 female, body weight (BW) 200 ± 18 kg) and at the Institute for Crops Research in the Semi-Arid Tropics in southern Niger (6 female…
The Acehnese are an ethnic group living in Aceh Province of far western Indonesia, who consider themselves ethnically distinct and righteous Muslims. They are very active in raising livestock, principally cattle, buffalo and goats, on common lands found throughout the province. …
Commodity investment is fundamentally motivated by a desire to improve the performance of portfolios composed of stocks and bonds. Throughout this paper we analyze the out-of-sample performance effects derived from including commodities in a stock-bond portfolio for seven distin…
Calcium metabolism in the temperature stressed domestic chicken and turkey was examined by (1) studying the effects of brooding temperature, dietary phosphorus and molybdenum on bone mineralization in 10-day-old turkey poults, (2) assaying for renal 25-hydroxycholecalciferol-1-h…
Seven cultivars of proso millet contained higher protein and ash than sorghum grains or corn. These millets were similar or slightly higher in fat than corn and much higher in fat than sorghum (milo), and similar to sorghum in calcium and phosphorus contents. All grains containe…