Scope and Method of Study. A three-year study was conducted to determine the effect of feeding wheat straw (WS) or sorghum-sudan hay (SS) to wheat pasture (WP) stockers on gains and incidence and severity of bloat, and wheat forage (WF) intake, digestibility and passage rate. In…
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A comparison of diet composition between cows and steers, the association of diet composition with the genetic potential of cows, and the similarity between fecal samples, evacuated rumen samples, and non-evacuated rumen samples were investigated. The study was conducted under s…
Five duodenally and ruminally cannulated Holstein heifers were used to determine the effects of substituting NDF of SH or CGF for forage NDF on site of nutrient digestion. All diets were formulated to contain 31% NDF, and diets had 85% (control), 65 or 45% (low or high CGF), and…
The magnitude of environmental and genetic sources of variation was studied for various economic traits in Nili-Ravi buffalo herds maintained by Military Farms Headquarters, Okara (Pakistan) during the period 1967-1988 involving 3,907 lactation records. Adjustment factors for la…
Weight velocity of 34 Egyptian infants aged two to thirteen months was examined before, during, and after 43 diarrheal episodes. The study was conducted in Bolaq El Dakrour, a poor neighborhood in metropolitan Cairo, during the summer of 1990. Weight measurements, food intake, m…
Behavior and lighting management were investigated for some gallinaceous birds. Imprinting on foster parent chukars (Alectoris chukar) and behavioral conditioning were found to improve anti-predator behavior and survival of captive-reared chukars. Poncho radio transmitter attach…
Two experiments were conducted to obtain data on the week to week development of broiler tibias. Vantress x Arbor Acre chicks were reared either in battery brooders or floor pens or in a combination of both rearing environments. Sexes were reared separately. Tibia samples were o…
Three experiments were conducted with broiler chicks and turkey poults to evaluate the effect of dietary fat on vitamin A utilization. Results of these experiments indicated a significant increase in liver vitamin A with increasing fat up to a moderate level (3 to 4.5%) and a si…
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…
Three commercial low tannin sorghum (LTS) grain varieties (Pioneer 8333, NC+ 271, Dekalb 42Y) and one commercial high tannin (HTS) variety (Dekalb BR-64) were grown at the same location in 1985, 1986, 1987 and 1988. Average crude protein content, on a dry matter basis of all sor…
The Allideghi Wildlife Reserve in the Amibara District of Afar Regional State, Ethiopia, has international significance for harboring endangered Grevy's Zebra and other wildlife dependent on grasslands. The reserve is increasingly used by pastoral people and their herds. Impacts…
Insulin-like growth factors I and II (IGF-I and IGF-II) once bound to the receptor are responsible for enhancing overall tissue growth. The three experiments explored the presence of IGF protein in amniotic and allantoic fluids, mRNA abundance in extra-embryonic membranes and sm…
Six studies (three with broilers and three with turkeys) were conducted to determine if E. coli lipopolysaccharide (LPS) would enhance the effects of aflatoxin B1 (AFB1) and the T-2 toxin (T-2) in chicks and poults fed from hatch to 21 days of age. In mortality rate, there was a…
The need to formulate poultry diets on a digestible amino acid basis rather than on total amino acid basis is increasingly becoming relevant. To achieve this, standardized amino acid digestibility (SAAD) values of various feed ingredients that are used in poultry feeds need to b…
Pale, soft and exudative (PSE) meat is a major meat quality problem in the turkey processing industry. Its causes are likely rooted in both genetics and management. The purpose of this study is to test the hypothesis that a defect in one or both sarcoplasmic reticulum Ca 2+ chan…
The purpose of the research was to study photoperiodism and endocrine control of reproduction in domestic turkeys. In female turkeys, plasma levels of luteinizing hormone (LH) were high at hatch, then declined to low levels at about 10 weeks of age, then rebounded to high levels…
Four experiments were conducted on hens of turkey and Japanese quail. In Experiment I, turkey hens were fed diets containing either 0% added fat, 3.5% animal-vegetable fat blend (AV) or 3.5% dry fat product (DF). In Experiment II with turkey hens, 2 holding diets and 4 breeder d…