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N'dama
N'Dama is a breed of cattle from West Africa. Other names for them include Boenca or Boyenca (Guinea-Bissau), Fouta Jallon, ''Djallonké'' or ''Djallonké cattle'', Fouta Longhorn, Fouta Malinke, Futa, Malinke, Mandingo (Liberia), and N'Dama Petite (Senegal). Originating in the Guinea highlands, they are also found in southern Senegal, Guinea-Bissau, the Gambia, Mali, Ivory Coast, Liberia, Nigeria, and Sierra Leone. They are Animal trypanosomiasis, trypanotolerant, allowing them to be kept in tsetse fly-infested areas. They also show superior resistance to ticks and the diseases they carry and to ''Haemonchus contortus'' stomach worms. The Senepol breed of beef cattle developed on the Caribbean Island of St. Croix has long been thought to originate from crosses between N'Dama cattle, imported in the late 19th century, and Red Poll cattle, but it is actually an admixed breed between a European taurina (Red Poll) and zebu. Reproduction The age of first calving is 3.5 years in Uppe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
N'Dama Herd In West Africa
N'Dama is a breed of cattle from West Africa. Other names for them include Boenca or Boyenca (Guinea-Bissau), Fouta Jallon, ''Djallonké'' or ''Djallonké cattle'', Fouta Longhorn, Fouta Malinke, Futa, Malinke, Mandingo (Liberia), and N'Dama Petite (Senegal). Originating in the Guinea highlands, they are also found in southern Senegal, Guinea-Bissau, the Gambia, Mali, Ivory Coast, Liberia, Nigeria, and Sierra Leone. They are Animal trypanosomiasis, trypanotolerant, allowing them to be kept in tsetse fly-infested areas. They also show superior resistance to ticks and the diseases they carry and to ''Haemonchus contortus'' stomach worms. The Senepol breed of beef cattle developed on the Caribbean Island of St. Croix has long been thought to originate from crosses between N'Dama cattle, imported in the late 19th century, and Red Poll cattle, but it is actually an admixed breed between a European taurina (Red Poll) and zebu. Reproduction The age of first calving is 3.5 years in Uppe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Senepol
The Senepol breed of beef cattle was developed on the Caribbean Island of St. Croix. It has long been thought that Senepol originated from just crosses between N'Dama cattle, imported in the late 19th century, and Red Poll cattle, but it is actually an admixed breed that consists of Red Poll, N'Dama, Criola and a trace amount of Zebu. The Senepol breed combines characteristics of heat tolerance and insect resistance with the docile nature, good meat, and high milk production of the Red Poll. They are polled, short haired, and colored red, black or brown. Breed history Being better suited to the island's climatic conditions than European breeds, it was reported that 60 heifers and two bulls of the N'Dama Petite breed were imported to St. Croix from Senegal in 1860 by George Elliot. This became the nucleus of the N'Dama cattle herd on St. Croix and by 1889, Henry C. Nelthropp, at the Granard Estates, was one of the largest N'Dama breeders with 250 purebred cattle. In 1918 Henry's s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cattle Breeds
List of cattle breeds — Over 1000 breeds of cattle are recognized worldwide, some of which adapted to the local climate, others which were bred by humans for specialized uses. Cattle breeds fall into two main types, which are regarded as either two closely related species, or two subspecies of one species. ''Bos indicus'' (or '' Bos taurus indicus'') cattle, commonly called zebu, are adapted to hot climates and originated in the tropical parts of the world such as India, Sub-saharan Africa, China, and Southeast Asia. ''Bos taurus'' (or ''Bos taurus taurus''), typically referred to as "taurine" cattle, are generally adapted to cooler climates and include almost all cattle breeds originating from Europe and northern Asia. In some parts of the world further species of cattle are found (both as wild and domesticated animals), and some of these are related so closely to taurine and indicus cattle that interspecies hybrids have been bred. Examples include the Dwarf Lulu cattle of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tsetse Fly
Tsetse ( , or ) (sometimes spelled tzetze; also known as tik-tik flies), are large, biting flies that inhabit much of tropical Africa. Tsetse flies include all the species in the genus ''Glossina'', which are placed in their own family, Glossinidae. The tsetse are obligate parasites, which live by feeding on the blood of vertebrate animals. Tsetse have been extensively studied, because of their role in transmitting disease. They have a prominent economic impact in sub-Saharan Africa, as the biological vectors of trypanosomes, causing human and animal trypanosomiasis. Tsetse are multivoltine and long-lived, typically producing about four broods per year, with up to 31 broods over their lifespans. Tsetse can be distinguished from other large flies by two easily-observed features: Primarily, tsetse fold their wings over their abdomens completely when they are resting (so that one wing rests directly on top of the other); Secondly, tsetse also have a long proboscis, extending d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Animal Trypanosomiasis
Animal trypanosomiasis, also known as nagana and nagana pest, or sleeping sickness, is a disease of vertebrates. The disease is caused by trypanosomes of several species in the genus ''Trypanosoma'' such as ''Trypanosoma brucei''. ''Trypanosoma vivax'' causes nagana mainly in West Africa, although it has spread to South America. The trypanosomes infect the blood of the vertebrate host, causing fever, weakness, and lethargy, which lead to weight loss and anemia; in some animals the disease is fatal unless treated. The trypanosomes are transmitted by tsetse flies. An interesting feature is the remarkable tolerance to nagana pathology shown by some breeds of cattle, notably the N'Dama – a West African ''Bos taurus'' breed. This contrasts with the susceptibility shown by East African ''Bos indicus'' cattle such as the zebu. Transmission Most trypanosomes develop in tsetse flies (''Glossina'' spp.), its biological vector, in about one to a few weeks. When an infected tsetse fly bi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boran Cattle
Boran cattle are a popular Zebu beef breed in eastern Africa. Through DNA sampling, Hanotte et al. have analyzed the genetic make-up of the Boran and it consists of the following genetic proportions—64% ''Bos indicus'', 24% European ''Bos taurus'' and 12% African ''Bos taurus''. History Kenyan Boran cattle were developed from the native shorthorned Zebu cattle of the Borana Oromo people of southern Ethiopia. They are usually white or fawn, with the bulls being darker with black point. Their great similarity to the American Brahman cattle is not without basis, they are also descended from cattle from the western coast of India, only much earlier. Since 1951, the Boran Cattle Breeders' Society has been managed and strategically breeding Boran cattle in Kenya. As of 2008, there were approximately 454 beef ranches in the country, which can be classified based on ownership as one of five categories: group ranches, private company ranches, co-operative ranches, public company ran ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tsetse Fly
Tsetse ( , or ) (sometimes spelled tzetze; also known as tik-tik flies), are large, biting flies that inhabit much of tropical Africa. Tsetse flies include all the species in the genus ''Glossina'', which are placed in their own family, Glossinidae. The tsetse are obligate parasites, which live by feeding on the blood of vertebrate animals. Tsetse have been extensively studied, because of their role in transmitting disease. They have a prominent economic impact in sub-Saharan Africa, as the biological vectors of trypanosomes, causing human and animal trypanosomiasis. Tsetse are multivoltine and long-lived, typically producing about four broods per year, with up to 31 broods over their lifespans. Tsetse can be distinguished from other large flies by two easily-observed features: Primarily, tsetse fold their wings over their abdomens completely when they are resting (so that one wing rests directly on top of the other); Secondly, tsetse also have a long proboscis, extending d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cattle
Cattle (''Bos taurus'') are large, domesticated, cloven-hooved, herbivores. They are a prominent modern member of the subfamily Bovinae and the most widespread species of the genus ''Bos''. Adult females are referred to as cows and adult males are referred to as bulls. Cattle are commonly raised as livestock for meat (beef or veal, see beef cattle), for milk (see dairy cattle), and for hides, which are used to make leather. They are used as riding animals and draft animals ( oxen or bullocks, which pull carts, plows and other implements). Another product of cattle is their dung, which can be used to create manure or fuel. In some regions, such as parts of India, cattle have significant religious significance. Cattle, mostly small breeds such as the Miniature Zebu, are also kept as pets. Different types of cattle are common to different geographic areas. Taurine cattle are found primarily in Europe and temperate areas of Asia, the Americas, and Australia. Zebus (also ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haemonchus Contortus
''Haemonchus contortus'', also known as the barber's pole worm, is a very common parasite and one of the most pathogenic nematodes of ruminants. Adult worms attach to abomasal mucosa and feed on the blood. This parasite is responsible for anemia, oedema, and death of infected sheep and goats, mainly during summer in warm, humid climates. Females may lay over 10,000 eggs a day, which pass from the host animal in the faeces. After hatching from their eggs, ''H. contortus'' larvae molt several times, resulting in an L3 form that is infectious for the animals. The host ingests these larvae when grazing. The L4 larvae, formed after another molt, and adult worms suck blood in the abomasum of the animal, potentially giving rise to anaemia and oedema, which eventually can lead to death. The infection, called haemonchosis, causes large economic losses for farmers around the world, especially for those living in warmer climates. Anthelminthics are used to prevent and treat these, and othe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liberia
Liberia (), officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to its north, Ivory Coast to its east, and the Atlantic Ocean to its south and southwest. It has a population of around 5 million and covers an area of . English is the official language, but over 20 indigenous languages are spoken, reflecting the country's ethnic and cultural diversity. The country's capital and largest city is Monrovia. Liberia began in the early 19th century as a project of the American Colonization Society (ACS), which believed black people would face better chances for freedom and prosperity in Africa than in the United States. Between 1822 and the outbreak of the American Civil War in 1861, more than 15,000 freed and free-born black people who faced social and legal oppression in the U.S., along with 3,198 Afro-Caribbeans, relocated to Liberia. Gradually developing an Americo- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Gambia
The Gambia,, ff, Gammbi, ar, غامبيا officially the Republic of The Gambia, is a country in West Africa. It is the smallest country within mainland AfricaHoare, Ben. (2002) ''The Kingfisher A-Z Encyclopedia'', Kingfisher Publications. p. 11. . and is surrounded by Senegal, except for its western coast on the Atlantic Ocean. The Gambia is situated on both sides of the lower reaches of the Gambia River, the nation's namesake, which flows through the centre of the Gambia and empties into the Atlantic Ocean, thus the long shape of the country. It has an area of with a population of 1,857,181 as of the April 2013 census. Banjul is the Gambian capital and the country's largest metropolitan area, while the largest cities are Serekunda and Brikama. The Portugal, Portuguese in 1455 entered the Gambian region, the first Europeans to do so, but never established important trade there. In 1765, the Gambia was made a part of the British Empire by establishment of the Gambia Col ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guinea-Bissau
Guinea-Bissau ( ; pt, Guiné-Bissau; ff, italic=no, 𞤘𞤭𞤲𞤫 𞤄𞤭𞤧𞤢𞥄𞤱𞤮, Gine-Bisaawo, script=Adlm; Mandinka: ''Gine-Bisawo''), officially the Republic of Guinea-Bissau ( pt, República da Guiné-Bissau, links=no ), is a country in West Africa that covers with an estimated population of 1,726,000. It borders Senegal to the north and Guinea to the south-east. Guinea-Bissau was once part of the kingdom of Kaabu, as well as part of the Mali Empire. Parts of this kingdom persisted until the 18th century, while a few others were under some rule by the Portuguese Empire since the 16th century. In the 19th century, it was colonised as Portuguese Guinea. Portuguese control was restricted and weak until the early 20th century with the pacification campaigns, these campaigns solidified Portuguese sovereignty in the area. The final Portuguese victory over the remaining bastion of mainland resistance, the Papel ruled Kingdom of Bissau in 1915 by the Portu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
