Increased prolactin (PRL) secretion by the anterior pituitary gland is responsible for expression of incubation behavior that results in ovarian regression and loss of egg production in turkey breeder hens. A cellular basis for the heightened PRL secretion in the turkey hen has …
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The present research was performed to characterize immunoreactive (ir) pituitary cells in the equine species. Two experiments were performed to measure the prevalence of single- and double-hormone labeled gonadotropes, lactotropes, somatotropes, and mammosomatotropes. In Experim…
Sesbania sesban and Sesbania goetzei are leguminous trees that produce forage for ruminants in Africa. These grow in a wide range of environments and have a high concentration of protein (>20%) in the leaves. There is considerable interest in using Sesbania perennials, including…
There is a dearth of empirical evidence demonstrating the degree to which exercise increases dietary protein requirement of the horse relative to maintenance. Knowledge of protein digestibility in diets fed to exercising horses is also essential to meet the protein need of the a…
The research problem of the study was to determine if two low-cost “home-mix” duck feeds developed by the Development Service Center could produce equivalent egg production in Khaki Campbell ducks compared to a high-cost “commercial” duck feed. Results from this study could be u…
Kazakhstan's livestock sector experienced dramatic changes during the first decade of transition from a centrally-planned to a market economy. The livestock population declined by 60–70 percent and production largely shifted from large-scale farm enterprises to subsistence rural…
In comparison to the adult birds, young chickens and turkeys have a reduced ability to use dietary fat. It was of interest to investigate the role of lipase in fat malabsorption in young birds. It was hypothesized that fat malabsorption in young chickens and turkeys is due to an…
The feeding of plant proteins to fish results in generation of a high amount of phytate because fish cannot effectively digest it. The hydrolysis of phytate by microbes in the environment release P which can stimulate eutrophication. This study was conducted to express phytase g…
Previous reports indicate that when soybean protein in the diets of piglets and turkey poults were replaced with purified animal proteins, bone calcification improved. In piglets the dietary requirement for ergocalciferol (vitamin D\sb2) was also lowered. However, there were no …
To examine the effects of fat composition and supplemental vitamin E (Vit E) and selenium (Se) on in vivo lipid peroxidation, diet-induced hypercholesterolemia, and glutathione (GSH) metabolism, male Syrian hamsters were fed for three weeks butter fat (BF-) or fish oil- (FO-)bas…
The potential of NIRS fecal profiling to predict crude protein (CP) and digestible organic matter (DOM) in the diet of free-ranging sheep and cattle, and condensed tannins in the diet of sheep, in sub-Saharan Africa (SSA), was examined. The calibration sets comprised of samples …
This study was conducted on the grazing of West African Dwarf (WAD) goats managed by 41 farmers in Nigeria. The study focused on the use of "fodder banks" by small-scale farmers. The objective of the research was to determine the effect of seeding Stylosanthes hamata on herbage …
This study investigated the effects of adverse environmental conditions on the muscle properties of poultry meat. Analyses of water-holding properties of chicken meat showed that breast meat was more sensitive to antemortem temperature than leg meat. Meat from chickens exposed t…
Three experiments were conducted to address the validity of an inherent fatness hypothesis in chickens and turkeys. In chicken experiments, one third of chicks were fattened with a low protein: energy ratio diet (12% CP; LP). The second and third groups, were made lean by either…
A relatively new instrument known as a Sperm Quality Analyzer ® (SQA) offers a rapid assessment of sperm quality and quantity by providing a sperm quality index (SQI). The SQA measures the intensity of sperm activity and motile concentration by determining the number and amplitu…
The calpain system is a critical protease system in protein accretion and animal muscle growth. The calpain cDNA's from pigs and cattle were cloned to study the roles of calpain in muscle growth in domestic animals. By using reverse transcriptase and polymerase chain reaction, p…
The free-ranging Sumatran Orang-utans (Pongo pygmaeus abelii) found within the Gunung Leuser National Park (GLNP), Aceh, Sumatra are known to participate in geophagic activities. Ex-captive juvenile orang-utans (Pongo pygmaeus pygmaeus) of the Wanariset Research Station, Sungai …
Birds have high metabolic rates, body temperatures, and plasma glucose concentrations yet physiologically age at a rate slower than comparably sized mammals. The antioxidant activity of uric acid was studied. Study 1 consisted of 18 female broilers consuming inosine or hypoxanth…
The first objective was to develop an accurate, robust and broadly applicable prediction model of feed consumption of dairy cows in early lactation, and then to compare it with the current NRC model. Among various functions, an exponential model was selected for its best fit to …