scholarly journals Reproduction in Small Ruminants (Goats)

2020 ◽  
Author(s):  
Fernando Sánchez Dávila ◽  
Gerardo Pérez Muñoz

The exploitation of small ruminants (goat and sheep) has always been linked to the development of human civilizations, where they have mainly fed on their derived products such as milk and meat. Currently, the sheep population is around 1 billion head concentrated above 50% in three countries, China, Australia, and New Zealand, contrary to goats with around 720 million heads, distributed mainly in Asia, Africa, and South America. Both species have similar characteristics in some anatomical aspects (a pair of nipples), gestation period (150 days), and presence of seasonal anestrus, differing in terms of magnitude and depth and presence of the male effect. However, they are completely different in feeding habits, nutrient needs, and grazing systems, with differences in terms of the female’s reproductive tract, among other characteristics. Currently, the study of reproduction has intensified over the years in the goats and its counterpart that is the buck. Therefore, in the following topics, the importance of global reproduction of the goat will be discussed, considering that progress has been made today in the application of third generation reproductive techniques and that today they are already consolidated and developed in the bovine species.

Author(s):  
J.G. Jago ◽  
M.W. Woolford

There is a growing shortage of labour within the dairy industry. To address this the industry needs to attract more people and/or reduce the labour requirements on dairy farms. Current milk harvesting techniques contribute to both the labour requirements and the current labour shortage within the industry as the process is labour-intensive and necessitates long and unsociable working hours. Automated milking systems (AMS) have been in operation, albeit on a small scale, on commercial farms in Europe for a decade and may have the potential to address labour issues within the New Zealand dairy industry. A research programme has been established (The Greenfield Project) which aims to determine the feasibility of automated milking under New Zealand dairying conditions. A Fullwoods MERLIN AMS has been installed on a protoype farmlet and is successfully milking a small herd of 41 cows. Progress from the prototype Greenfields system offers considerable potential for implementing AMS in extensive grazing systems. Keywords: automated milking systems, dairy cattle, grazing, labour


2007 ◽  
Vol 39 (4) ◽  
pp. 349-359 ◽  
Author(s):  
Arve ELVEBAKK ◽  
Janne FRITT-RASMUSSEN ◽  
John A. ELIX

Abstract:Pannaria leproloma is shown to be a New Zealand endemic, and is characterized by coarse isidiomorphs/isidia, a high frequency of apothecia and the presence of two cytotoxic scabrosin esters, previously unknown from Pannariaceae, and present in 40 of the samples studied. It is not a member of the Pannaria sphinctrina group, as previously thought. It has frequently been confused with a related, finely sorediate, very sparingly fertile species, which lacks scabrosin esters in more than 99 of the specimens studied. This latter species is widely distributed both in southern South America (where it is one of the most common corticolous lichens), south-eastern areas of Australia and in New Zealand. It was originally described as Psoroma isidiosum, but had to be renamed when transferred to Pannaria, and is here named Pannaria farinosa.


Author(s):  

Abstract A new distribution map is provided for Claviceps purpurea (Fr.). Tul. Hosts: Rye (Seale cereale), other cereals and Gramineae. Information is given on the geographical distribution in AFRICA, Algeria, Canary Islands, Ethiopia, Guinea, Kenya, Malawi, Mauritius, Morocco, Rhodesia, South Africa, Sudan, Tanzania, ASIA, China, India (Punjab, Uttar Pradesh, Madras, Mysore), Iran, Israel, Japan, Korea, Nepal, Philippines, Turkey, USSR (Siberia), AUSTRALASIA & OCEANIA, Australia, New Zealand, EUROPE, Austria, Belgium, Britain and Northern Ireland, Bulgaria, Czechoslovakia, Denmark, Faroes, Finland, France, Germany, Greece, Hungary, Iceland, Irish Republic, Italy, Netherlands, Norway, Poland, Portugal, Romania, Spain, Sweden, Switzerland, USSR (general), Yugoslavia, NORTH AMERICA, Canada (general), Mexico, USA, SOUTH AMERICA, Argentina, Brazil (Rio Grande do Sul), Chile, Colombia, Peru, Tristan da Cunha, Uruguay.


Author(s):  

Abstract A new distribution map is provided for Peronospora farinosa Kiessl. Hosts: Beet (Beta vulgaris) and other B. spp., Spinach (Spinacia oleracea), Chenopodium spp. Information is given on the geographical distribution in AFRICA, Ethiopia, Kenya, Libya, Morocco, South Africa, Tanzania, Zimbabwe, ASIA, Afghanistan, Burma, China, Hong Kong, India (Northern States) (Uttar Pradesh) (Madhya Pradesh), Iran, Iraq, Israel, Japan, Korea, Lebanon, Mongolia, Nepal, Pakistan, Taiwan, Thailand, Turkey, USSR, AUSTRALASIA & OCEANIA, Australia, New Zealand, EUROPE, Austria, Belgium, Britain, Bulgaria, Cyprus, Czechoslovakia, Denmark, France, Germany, Greece, Hungary, Iceland, Irish Republic, Italy (Sardina), Malta, Netherlands, Norway, Poland, Portugal, Romania, Spain, Sweden, Switzerland, USSR, Yugoslavia, NORTH AMERICA, Canada, Mexico, USA, CENTRAL AMERICA & WEST INDIES, Guatemala, SOUTH AMERICA, Argentina, Bolivia, Brazil (Sao Paulo), Chile, Ecuador, Peru, Uruguay.


Author(s):  

Abstract A new distribution map is provided for Corynebacterium michiganense pv. michiganense (E.F. Smith) Jensen. Hosts: Tomato (Lycopersicon esculentun). Information is given on the geographical distribution in AFRICA, Kenya, Madagascar, Morocco, South Africa, Tunisia, Uganda, Zambia, Zimbabwe, ASIA, China, India (Nagpur), Israel, Japan, Lebanon, Turkey, AUSTRALASIA & OCEANIA, Australia, Hawaii, New Zealand, EUROPE, Austria, Britain, Channel Islands (Jersey), Bulgaria, Germany, Greece, Hungary, Ireland, Italy (incl. Sicily), Norway, Portugal, Romania, Sardinia, Switzerland, USSR (general, Lithuania, W. Siberia and Crimea), Yugoslavia, NORTH AMERICA, Canada, Nova Scotia, Mexico, USA (general), CENTRAL AMERICA & WEST INDIES, Costa Rica, Cuba, Dominica, Dominican Republic, Panama, SOUTH AMERICA, Argentina (Buenos Aires), (Goldenberg), (Mendoza), (Misiones & Rio Negro), Brazil (Sao Paulo), Chile (Santiago), Colombia, Peru.


Author(s):  

Abstract A new distribution map is provided for Miraflori lettuce big-vein virus. Ophioviridae: Ophiovirus. Main host: lettuce (Lactuca sativa). Information is given on the geographical distribution in Europe (Belgium, Czechoslovakia, France, Germany, Greece, Italy, Netherlands, Poland, Slovenia, Spain, Sweden and UK), Asia (Iran, Japan, Saudi Arabia and Turkey), North America (Canada, British Columbia, Ontario, Quebec, Mexico, USA, Arizona, California and Florida), Central America and Caribbean (Bermuda), South America (Argentina, Brazil, Sao Paulo, Chile and Colombia) and Oceania (Australia, Queensland, Victoria, Western Australia and New Zealand).


Author(s):  

Abstract A new distribution map is provided for Monilochaetes infuscans Halsted ex Harter. Hosts: Sweet potato (Ipomoea batatas). Information is given on the geographical distribution in Africa, Sierra Leone, Zimbabwe, Asia, China, Israel, Japan, Korea, Taiwan, Australasia & Oceania, Australia, New South Wales, Queensland, South Australia, Hawaii, New Zealand, US Trust Terr., Europe, Portugal, Azores, North America, USA, South America, Argentina, Brazil.


Author(s):  
J. N. Kapoor

Abstract A description is provided for Podosphaera leucotricha. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On Malus spp., chiefly on M. pumila (apple), peach (Prunus persica), quince (Cydonia ualgaris) and Photinia spp. also attacked (Hirata, 1966). Also reported on almond fruit (43, 2544). DISEASE: Powdery mildew of apple. GEOGRAPHICAL DISTRIBUTION: Africa (? Kenya, Rhodaia, South Africa, Tanzania); Asia (China, India, Israel, Japan, U.S.S.R.); Australia and New Zealand, Europe (widely distributed) North America (Canada and U.S.A.); South America (Argentina, Brazil, Chile, Colombia, Peru). (CMI map 118). TRANSMISSION: Overwinters on host as dormant mycdium in blossom buds. The role of deistothecia in overwintering is doubtful. Spread by wind-borne conidia (Anderson, 1956).


Author(s):  

Abstract A new distribution map is provided for Physoderma alfalfae (Pat. & Lagerh.) Karling. Hosts: Lucerne (Medicago sativa) and Medicago spp. Information is given on the geographical distribution in ASIA, India (Punjab), Iran, Israel, Pakistan, AUSTRALASIA & OCEANIA, Australia, New Zealand, EUROPE, Belgium, Britain, Cyprus, Czechoslovakia, Denmark, France, Germany, Greece, Italy, Netherlands, Portugal, Romania, Sweden, Switzerland, NORTH AMERICA, Canada (British Columbia), Mexico, USA, SOUTH AMERICA, Argentina, Chile, Ecuador, Peru.


Author(s):  

Abstract A new distribution map is provided for Botrytis tulipae Lind. Hosts: on Tulip (Tulipa). Information is given on the geographical distribution in ASIA, Japan, Korea, Philippines, AUSTRALASIA & OCEANIA, Australia, New Zealand, EUROPE, Austria, Belgium, Britain (Jersey) (Guernsey), Bulgaria, Czechoslovakia, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Netherlands, Norway, Portugal, Romania, Switzerland, USSR, Yugoslavia, NORTH AMERICA, Canada, USA, SOUTH AMERICA, Argentina, Chile.


Sign in / Sign up

Export Citation Format

Share Document