Abstract: This study was conducted to evaluate the effects of deep-litter and cage housing systems on laying performance, egg quality, hematological parameters, and serum metabolites of White Leghorn layers at Haramaya University. A total of 120 White Leghorn layers at an age of 26 weeks and an average initial body weight of 1246.25± 5.65g were randomly assigned to the two housing systems in completely randomized design with three replications for study period of 90 days. The chickens were ...
Abstract: Calves are the foundation of the future dairy herd which signifies the importance of their proper rearing practices and needs to be performed at the herd and individual animal. This study was therefore conducted to assess calf husbandry practices in the urban dairy production system and to evaluate the effect of milk replacers on crossbred calf’s performance. The assessment was conducted in Dire Dawa city which was purposively selected based on its potential for dairy production....
Abstract: A study was conducted to evaluate the effect of dietary inclusion of mango seed kernel on growth performances (feed intake, body weight gain), feed conversion ratio, carcass characteristics, mortality percentages and partial budget analysis of broiler chicks at various levels of Mango Seed Kernel (MSK) as energy supplement at Haramaya University poultry farm.168 broiler chicks with average body weight 45.17±1.08g/b/d (mean ±SD) were randomly distributed to four treatments each wi...
Abstract: The study was conducted in Elida'ar district, Afar National Regional State, to assess the overall camel production practice (husbandry practices, production, product utilization, product handling practice, marketing and reproduction) and constraints that influence camel production in the study area. The study was undertaken in seven selected pastoral area of Elida'ar district. According to the formula a total of 196 households (HH) were selected from the study areas. The household ...
Abstract: The study was aimed to assess dairy production practice, milk handling and marketing practices and to evaluate the quality and safety of raw milk produced and marketing in in urban and peri urban areas of Girar Jarso district. A total of 150 sample respondents (120 from dairy producers and 30 from milk collectors) were interviewed using a semi structured questionnaire. The survey work includes: dairy cattle management, milk production performance, house type and cleaning practices,...
Abstract: The study was conducted in Metekel Zone, Northwest Ethiopia to characterize indigenous chicken production system and to analyze egg quality parameters. The data was collected through structured questionnaire and focused group discussion, egg quality analysis were done in poultry farm laboratory of Haramaya University. The research was conducted in three districts of Metekel Zone. Four kebeles from each district and two kebeles from each agro-ecology of (highland and lowland) were s...
Abstract: The study was conducted in three districts of Western Zone of Tigray Region, Ethiopia; with the aims of assessing reproductive and productive performance, factors that affect the performance of dairy cattle and to determine milk composition of indigenous and Crossbred dairy cows. A total of 120 households; 50 for Begayit, 40 for Arado breed and 30 for Crossbred cow producers were purposely selected and interviewed with pre – tested semi structured questionnaire. Monitoring activi...
Abstract: The study was carried out in Nedjo districts, West Wollega Zone, Oromia Regional State, Ethiopia, to identify traditional butter preservation techniques, to evaluate the microbial quality and organoleptic properties of butter preserved using different preservative and to assess some traditional butter production parameters, To generate data, semi-structured questionnaire was prepared for the total of 180 respondents, 30 from each kebele of six selected kebeles of the districts and ...
Abstract: The study was conducted in Adama, Lome and Adami-Tulu district of East Shoa Zone of Oromia Regional State to assess commercial fattening practices, to evaluate performance of commercial fattening and to evaluate chemical composition of mixed ration at different feeding phase of fattening from selected feedlot .The questionnaire based formal survey was conducted using semi structured questioners by interviewing a total of 45feedlot operators purposively selected from the three distr...
Abstract: The study was conducted to evaluate the ef ects of administering extracts of clove, cardamom, and their combination via drinking water on egg production, egg quality, fertility, hatchability and , blood parameters of White Leghorn layers at Haramaya University. Total of 180 White Leghorn layers were randomly allocated to four treatments in completely randomized design with three replications for feeding period of 70 days. The treatments were T1 (0 ml of the extract),T2 ( 3ml of clo...
Abstract: The study was conducted to evaluate the effect of genotype, age at slaughter, aging temperatu re and aging duration on meat toughning of beef produced from Arsi, Borena, Harar and cro ss of Holstein Friesian with Arsi cattle breeds. A total of 24 bulls from Arsi (6), Borana (6), Harar (6) and crossbreed of HF breeds (6) were used for this study. The bulls were stratified into two age groups 2 - 3 and 4 - 5 years. Temperature and pH were recorded at 45 min, 3, 6, 12 and 24 hours on ...
Abstract: Insects are a common feedstuff for wild birds and scavenging poultry. Prospects of insects inclusion in compounded animal feeds as cheaper alternative protein sources has lately attracted intercontinental attention. Black Soldier Fly larvae (BSFL) meal was used to partially replace soybean meal (SBM) and fish meal (FM) in broiler chicken diets to determine the effect on performance, carcass characteristics, breast meat sensory attributes and the economic implication of their use. T...
ABSTRACT This study was aimed to extract milk-clotting enzyme from sunflower (Helianthus annuus) seeds and to determine its potentiality for manufacturing white soft cheese from cows and goats milk during storage. The parameters evaluated included: coagulation time, yield, physicochemical composition, microbiological analyses and sensory characteristics of the manufactured cheese. The sunflower seeds' were blended and extracted using two types of buffers, Na acetate buffer and 5% NaCl aceta...
ABSTRACT This research was conducted to study the effect of different stages of the lactation period on physicochemical properties of three species, dromedary camel, saanen goat and cow milk during different lactation stages. The lactation period of each species was divided into three stages after calving, early, mid and late stages. Milk samples for each species were collected at different intervals during each stage and thus covering the whole lactation period. The samples were then subje...
Abstract This study was conducted to determine the effect of the milking system on the bacterial count in raw milk. This experiment was conducted on different milk samples taken from two different Aleppo systems. .The results showed significant differences (0.05) in the bacterial count of manual and automatic milking samples for bacterial types Bacteria (bacillus, staphylococcus, salmonella, E.coli , Streptococcus and micrococcus) (25, 16,7,25,0,8,0,25,16,7,16,8) respectively, where the resu...