نتایج جستجو برای: cattle breeding

تعداد نتایج: 104336  

2009
E. E. Connor J. L. Hutchison H. D. Norman R. L. Baldwin M. Pszc - zola I. Aguilar I. Misztal R. M. Demeter G. C. B. Schopen A. G. J. M. Oude Lansink M. P. M. Meuwissen J. A. M. van Arendonk

Humans obtain a number of products from animals. These include food, clothing, medical materials, companionship and research knowledge to name a few. A valued ethic contends that it is inappropriate for one to treat another as a means to an end. In short, it is wrong to treat another as simply a product. Historically, non-human beings have not been included as “others” and thus their treatment ...

2005
L. Knopf C. Komoin-Oka B. Betschart B. Gottstein J. Zinsstag

In contrast with the more arid savannah areas of West Africa, the central Guinea savannah (or V-Baoulé) of Côte d’Ivoire does not suffer from important forage shortage during the dry season. Since the 1970s the Ivorian government has made considerable efforts to increase local cattle-breeding activities in the area, which is suitable for trypanotolerant livestock production. Trypanosomosis cont...

2012
V. E. Olori

The goal of any livestock breeding programme is to earn a return on investment and help their clients be more profitable. Success depends on efficiency of the breeding programme and its ability to supply genetically superior stock on a continuous basis to customers. To make this work availability of accurate information for making timely breeding decisions is key. Data collection and analysis i...

2011
Donagh P Berry Mairead L Bermingham Margaret Good Simon J More

There have been considerable recent advancements in animal breeding and genetics relevant to disease control in cattle, which can now be utilised as part of an overall programme for improved cattle health. This review summarises the contribution of genetic makeup to differences in resistance to many diseases affecting cattle. Significant genetic variation in susceptibility to disease does exist...

2008
Ludmila Křížová Jiří Třináctý Michal Richter Sylvie Hadrová Jan Pozdíšek

Ludmila Křížová1*, Jiří Třináctý1, Michal Richter1, Sylvie Hadrová1 and Jan Pozdíšek2 1 Research Institute for Cattle Breeding, Ltd., Rapotín, Department of Animal Nutrition Physiology, Pohořelice, Vídeňská 699, Pohořelice, 691 23, Czech Republic 2 Research Institute for Cattle Breeding, Ltd., Rapotín, Department of Feed Production and Animal Nutrition, Rapotín, Výzkumníků 267, Vikýřovice 788 1...

Journal: :Journal of animal science 1982
R L Willham

The purpose of this essay is to develop a historic perspective of the beef cattle population and the legion of people directing its genetic change so that future leadership can increase the rate of breeding technology assimilation. Use of cattle for beef to feed millions is relatively recent. The beef industry of the United States has a rich, romantic heritage that combined Spanish exploitation...

2014

Pregnancy rate evaluation of the profitability of any beef cattle operations, the profit or loss is one of the most important factors determining. Emphasis and focus on adequate nutrition and reproductive management beef cattle herd, but, unfortunately, most placed little emphasis on beef cattle operations kept. However, each beef cattle breeding season during a typical cow-calf operation in 15...

2013

Dairy cattle and buffalo production has undergone a major transformation resulting into a substantial increase in milk production thus helping our country to achieve top position in milk production in the world. Even though various animal breeding and management programmes have contributed to this improvement, there are constraints hampering the growth which require proper attention by initiati...

2010
Hongchao Wu Xibo Qiao Xin Luan Biao Li Zhongle Chang Jinghe Tan Xinzhong Fan

In order to meet the requirement of dairy cattle breeding and modern cattle farm management, the dairy cattle registration and herd management system was programmed with Visual FoxPro9.0, which can run on Windows9X/Me/NT/2000/XP, to fit the current implemented Canadian dairy cattle DHI recorders and 9-point linear comprehensive evaluation. Based on data collection and analysis of basic herd inf...

Journal: :Reproduction in domestic animals = Zuchthygiene 2012
B Purwantara R R Noor G Andersson H Rodriguez-Martinez

Bali cattle still represents 27% of the total cattle population in Indonesia, and it is considered the pillar breed for small farmers. Moreover, it is a breed of evolutionary importance regarding its direct ancestry from Banteng. However, there is a need for the establishment of a rational system for the evaluation of breeding soundness for indigenous Bali bulls to be used as sires for artifici...

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