Yesihak Mummed

Haramaya University · School of Animal and Rangeland Sciences

The study was conducted in Meta District of Eastern Hararge Zone Oromia Regional State, Ethiopia with the objective to assess milk production and marketing, and to determine chemical composition and microbial quality of raw cow milk. Three Rural Kebeles (RK) namely, Biftu Ganama, Oda Chafe and Waligalte Bali’na were purposively selected based on da...

This study was conducted with the objective to evaluate carcass weight, meat yield and primal meat cuts of beef from Arado, Boran, Barka, Raya and nondescript cattle breeds slaughtered at export abattoirs in Ethiopia. Data was collected from Abergelle and Melgawendo export abattoirs in 2011. The result of the study revealed that the average live we...

Aflatoxin constitutes a significant concern for food and feed safety, posing detrimental health risks to both animals and humans. This study aimed to examine the prevalence and concentration of aflatoxins in maize feed, total mixed ration, and wheat bran collected from specialized dairy farms and local markets in three major urban centers in easter...

this exploratory study was conducted to determine the growth performance of bulls from Harar, Jersey×Horro crossbred, Arsi, and Ogaden cattle breeds fed a corn-silage based finishing diet. A total of 12 bulls, 3 from each breed, were used for the study. A completely randomized design (crd) was implemented to assign experimental bulls in a breed fac...

The objectives of this study were to evaluate the impact of draft power on the quality of sub-primal beef cuts from 12 Hararghe highland oxen who completed their experiments on draft service at beef farm Haramaya University. The experiment was conducted over 8 weeks exposing 4 oxen for 0, 4, and 6 hrs draft service per day. At the end of the experi...

The challenge of meeting the nutritional needs of growing populations in developing countries, like in Ethiopia, underscores the importance of optimizing protein and calorie sources. Traditional animal husbandry in Ethiopia, characterized by low inputs and productivity, contributes to a deficiency in animal protein supply. Eggs, as a cost-effective a...

The study was intended to assess the impacts of draught work on beef quality attributes; pH, colour, water holding capacity, and tenderness of Supraspinatus (SS), Latissimus dorsi (LD), Longissimus dorsi (LDM), and Semitendinosus (ST) muscles in Hararghe highland bulls fed on a daily net energy requirement basis. Twelve bulls were sorted into three...

This exploratory study was conducted to determine the growth performance of bulls from Harar, Jersey×Horro crossbred, Arsi, and Ogaden cattle breeds fed a corn-silage based finishing diet. A total of 12 bulls, 3 from each breed, were used for the study. A completely randomized design (CRD) was implemented to assign experimental bulls in a breed fac...

Milk fat globules (MFGs) are a complex compound secreted in the mammary gland, composed of triglycerides; phosphatidylethanolamine (PE) phosphatidylcholine (PC) with unclear mechanism and the fused lipid droplets enclosed by inner layer derived from the endoplasmic reticulum and outer bilayer is directly derived from the apical plasma membrane as t...

East African countries contain a substantial proportion of cattle (9.3%, 136.4 million) and small ruminants (12%, 253.4 million) compared to the world’s total livestock population. In this region, more than 70% of the land surface is conducive to raise red meat animals. However, the region has limited share (approximately 1%) of meat products to th...

The objective was to evaluate effects of lake water salt levels on the performance, carcass traits, and meat qualities of Hararghe highland sheep. Twenty-four sheep, averaging 8 months old with an initial body weight of 19.10±0.11 kg, were divided into groups of four based on the salt percentage of the water treatments: freshwater (500 mg/l total d...

The experiment was conducted at Haramaya University Beef fattening station, to evaluate the effect of maize silage inclusion at different levels on feed intake, growth performance, carcass characteristics, and meat quality. Sixteen castrated Harar oxen of average age 6 years with the initial body weight of 229±1.18 kg (mean + SE) were used for the...

The objectives of the study were to examine the effects of draught work on carcass characteristics, meat yield potential, and distribution along primal cuts in Hararghe highland bulls fed on net energy requirement basis. Twelve bulls were sorted into three groups of four animals each and assigned to three treatment hours: control (0), 4, or 6, usin...

Heat stress disrupts dairy cattle fertility by disturbing reproductive tract activities, changing hormonal balance, lowering the quality of a cell in an ovary which may undergo meiotic division to form an ovum, and consequently reducing embryo formation and survival. This review aimed to combine the earlier studies on how heat stress affects dairy...

Meat is the most valuable livestock product since it is one of the main sources of protein for human consumption. Meat quality can be evaluated according to the following parameters: pH, amount of lactic acid, volatile fatty acids, bounded water, solubility of proteins, color, and tenderness. The meat composition and physical properties of muscles...

The aim of the current study was to assess the major animal health problems and their impact on beef cattle production in Doba district of West Harerghe Zone, Ethiopia. The study area was purposively selected, and a simple random sampling method was used to selected households' fatteners from each kebele and interviewed using structured questionnai...

The study was conducted to evaluate the fattening performance of Arsi, Borana, Harar and HF-Crossbred bulls finished under similar feeding condition at the beef farm in Haramaya University. A total of 24 bulls with age categories of 2-3 and 4-5 years were used in the complete block design for the experiment. Total mixed ration was provided at 3% of...

Background: The study was conducted to evaluate the fattening performance of Arsi, Borana, Harar and Holstein Friesian crossbred bulls finished under similar feeding condition at the beef farm in Haramaya University. A total of 24 bulls with age categories of 2–3 and 4–5 years were used in the complete block design for the experiment. Total mixed r...

Fogera cattle are among indigenous breeds of cattle in the northern part of Ethiopia. However, their response to heat stress (HS) under different seasonal variations has not been well investigated. This study was aimed to determine physiological, hematological, biochemical, and growth parameters of Fogera cattle calves to HS during dry season, shor...

A cross-sectional study design was employed on collected sera samples to investigate brucellosis in small ruminants from December 2018 to November 2019 with the objectives of estimating the seroprevalence and potential risk factors for the occurrence of brucellosis in small ruminants in selected districts of West Hararghe: Chiro, Hirna, and Mieso....

This study aimed at assessing perception of Fogera cattle farmers on climate change and variability in selected districts of Awi zone. The zone was classified as lowland (<1500), midland (1500-2500), and highland (>2500 m.a.s.l) based on altitudinal variation from which a total of three districts one per cluster were selected through random samplin...

The study was conducted in West Hararge Zone Oromia Regional State, Ethiopia with the objective to describing the dairy production and reproduc-tion performance, identifying and prioritizing researchable issues which make an impact on the development of dairy sector, identifying factors in-fluencing dairy production, constraints and opportunities a...

A study was conducted with the aim of evaluating the physicochemical properties and microbial qualities of raw cow's milk along the milk supply chain in Haramaya district. A total of 123 smallholder dairy producers, one dairy cooperative, 3 milk collectors, 6 milk retailers, 8 selling points and 18 consumers were interviewed using a semi-structured...

A total of 39 bulls from Arsi (11), Boran (14) and Harar (14) breeds were used for the study. The bulls were stratified into three age groups. Blood samples were collected before loading, after unloading and at slaughter to determine the level of creatine kinase and lactate dehydrogenase. M. longissimus dorsi between 12th and 13th ribs was used to...

A cross sectional study was conducted with the objectives to assessing beef cattle production and trading system in eastern Oromia. Structured questionnaire and a onetime observation were conducted on 50 producers and 40 traders a total of 90 beef cattle producers and traders, which were, include purposely in the study using random sampling techniq...

The economy of livestock production largely depends upon the reproductive efficiency of the animals. A semi-structured questionnaire and recorded data were conducted to determine the reproductive and productive performance Holstein Friesian and crossbreed dairy cows at large, medium and small scale dairy farms of Harar, Dire-Dawa, Bishoftu, Holeta...

Abstract There was no research regarding selection criteria for the economically rele�vant dairy cattle objective traits in Ethiopia. Therefore, the goal of this paper was to determine the selection criteria for Holstein Friesian and crossbreed dairy cattle economically relevant traits. The research was based on 236 res�pondents of large, medium an...

The aim of this study was to characterize the phenotype of the indigenous sheep population in central zone of Tigray. A total of 450 mature sheep were sampled randomly for collect qualitative data. Based on dentition adult sheep were classified into four age categories (from one pair of permanent incisor to four pair of permanent incisor). Coat col...

The aim of this study was to characterize phenotype indigenous sheep population in central zone of Tigray. A total of 450 adult sheep were sampled randomly for this purpose. Based on dentition adult sheep were classified into four age categories. Average BW of the sampled sheep in Tanqua-Abergelle, Kola-Tembien and Adwa districts were (20.19±0.19,...

The aim of this study was to characterize phenotype indigenous sheep population in central zone of Tigray. A total of 450 adult sheep were sampled randomly for this purpose. Based on dentition adult sheep were classified into four age categories. Average BW of the sampled sheep in Tanqua-Abergelle, Kola-Tembien and Adwa districts were (20.19±0.19,...

Ethiopia has the largest cattle population in Africa. However, the potential of the sector has not fully utilized. Average carcass weight of cattle, per capita meat consumption and annual volume of meat produced were very low. Experience from developed countries indicates that implementing carcass quality audit would aid to identify quality problem...

Carcass and organ condemnations cause big economic losses in the beef industry. The aim of this study was to determine the causes of condemnations of whole and partial carcasses and organs of cattle slaughtered at private abattoirs in Ethiopia. A total of 62,917 cattle slaughtered at Abergelle, Elfora Bishoftu and Elfora Kombolcha abattoirs from Fe...

This study was conducted to evaluate the operation, facilities and management of public (Adama, Hawassa and Mekelle) and private (Elfora Kombolcha) abattoirs in Ethiopia. Direct observation, photograph and discussion with the workers were used to collect information. The results of this study revealed that lairage was not divided into compartments...

Milk suckled, off-take and growth of calves of Camel was measured from August 2008 to July 2009 in eastern Ethiopia with the aim to evaluate the performance of the herd in terms of milk productivity and growth of calves. Data on milk suckled and growth of calves was collected by methods of weight-suckle-weight. Milk off-take of the herd was measure...

This experiment was conducted with the aim to define the weaning age of camel calves managed with pastoral farmers in eastern Ethiopia. Twenty camel calves (11 males and 9 females) were randomly assigned into five blocks based on their birth date. Calves within a block were further assigned to one of the four Treatments (T1, T2, T3, and T4). Calves...

Background and Aim: The Ogaden cattle is one among the tropical cattle breeds (Bos indicus) widely distributed in eastern and south eastern part of Ethiopia. The breed has been evolved in arid and semi arid agro-ecological setup, but later on distributed and adapted to the wide agro-ecological zones. Because of its multi-purpose role, the Ogaden ca...

This study was conducted to evaluate beef carcass characteristics of cattle slaughtered at local abattoirs in Ethiopia. About 10% of carcasses (3080) were collected from Adama, Hawassa, Mekelle and Kombolcha abattoirs between August 2013 and January 2014. The results of the study showed that 98.56% of cattle slaughtered were indigenous cattle while...

This study was conducted with the aim to evaluate correlation between milk suckled and growth of calves of Ogaden cattle managed in Beef farm at Harmaya University, eastern Ethiopia. Data was collected by a method of weight-suckle-weight once in a week from 269 calves born from 1994 to 2004. Weight of calves at birth, first, third and sixth months...

A study on forage preference of Camel calves from 6 to 12 months of age was conducted in eastern Ethiopia. Data were collected at an interval of 50 minutes for each calf for 15 consecutive days in dry and wet season. Based on the observation, calves commonly selected 13 plant species in the dry season and 15 plant species in the wet season. The top...

Daily milk yield of Ogaden cattle was estimated from milk suckled by 269 calves born and maintained between 1994 and 2004 at Haramaya University Beef Farm, Ethiopia. The weigh-suckle-weigh method and the growth of calves were used to estimate the yield. Mean predicted daily milk yield of the breed based on the weigh-suckle-weigh method was 4.39 ± 0...

Daily milk yield of Ogaden cattle breed was estimated under partial suckling system conducted once in a week during morning after separating the cows from the calves from 5 pm to 7 am. The study was conducted from May to October 2006 at Haramaya University, Ethiopia. Milking was done by standing the calves in the near sight of the dam. Calves were...