Genetic and environmental factors affecting reproductive traits in sows in an outdoor production system

2015 ◽  
Vol 182 ◽  
pp. 101-107 ◽  
Author(s):  
Washington Bell ◽  
Jorge I. Urioste ◽  
Nelson Barlocco ◽  
Antonio Vadell ◽  
Raquel Pérez Clariget
2021 ◽  
pp. 71-72
Author(s):  
Adamu, B. ◽  
Abdullahi, S. ◽  
Saidu, S. G ◽  
Yustus Sunday Francis

The term 'Hydroponics' was derived from Greek words 'hydro' means water and 'ponics' means labor. Hydroponic is a modern agricultural technique that uses nutrient solution rather than soil solution for fodder production. As population increases the food demand also increased, the existing system of agriculture will not be able to meet the food requirement in the near future due to environmental challenges in the industry. The major environmental factors affecting the hydroponics production system are; Temperature, relative humidity, and light. The objectives of this studies are to examine the hydroponics greenhouse technologies, impact of environmental factors on hydroponics greenhouse cultivation and challenges of growing on hydroponics greenhouse system. This study revealed that hydroponics greenhouse cultivation is a better option for improved fodder production, water utilization, palatability and digestibility.


2002 ◽  
Vol 2002 ◽  
pp. 190-190
Author(s):  
Ali Toosi

Milk production is the most important trait in dairy cattle breeding. Measures of additional traits are also important. Traits of lactation curve are important in their relation to production characteristics. The two major reasons for which dairy cows are disposed are fertility problems and low milk yield (Hansen et al.,1983). The objectives of this study were 1) To evaluate effects of some environmental factors on some measures of yield and fertility, and 2) To estimate genetic parameters for these traits applying REML procedures under sire model.


1988 ◽  
Vol 66 (4) ◽  
pp. 855 ◽  
Author(s):  
R. P. Gilbert ◽  
C. T. Gaskins ◽  
J. K. Hillers ◽  
C. F. Parker ◽  
T. C. McGuire

2008 ◽  
Vol 47 (1) ◽  
pp. 52-58 ◽  
Author(s):  
L. Gazza ◽  
F. Taddei ◽  
M. Corbellini ◽  
P. Cacciatori ◽  
N.E. Pogna

2014 ◽  
Vol 59 (1) ◽  
pp. 62-69 ◽  
Author(s):  
Barbara Prandi ◽  
Paola Mantovani ◽  
Gianni Galaverna ◽  
Stefano Sforza

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