Results 71 to 80 of about 647,276 (170)

Phytoplanktonic composition of three cultivation systems used in Litopenaeus vannamei (BOONE, 1931) marine shrimp farms - doi: 10.4025/actascibiolsci.v32i3.4816

open access: yesActa Scientiarum: Biological Sciences, 2010
The aim of this work is to assess the different compositions of phytoplankton in three cultivation systems of marine shrimps Litopenaeus vannamei (BOONE, 1931), denominated as organic, intensive and semi intensive. The samples were done fortnightly, when
Michelle Pereira Melo   +5 more
doaj   +1 more source

The effects of season and rearing systems on meat quality traits

open access: yesCzech Journal of Animal Science, 2006
With the aim to examine the effect of season and rearing system on major broiler meat quality traits appropriate experimental investigations were conducted. Trial material included a total of 800 one-day-old broilers of the Hybro line hybrid.
S. Bogosavljević-Bosković   +3 more
doaj   +1 more source

Effect of management system and season on semen freezability in Jakhrana bucks [PDF]

open access: yesVeterinary World, 2016
Aim: The objective of the study was to determine the effect of the management system (intensive and semi-intensive) and season (autumn and winter) on semen freezability in Jakhrana bucks.
Narendra Kumar   +6 more
doaj   +1 more source

Development of artificial feeds for finfishes [PDF]

open access: yes, 1989
successful fish culture depends upon provision of diets coritaining an appropriate balance of essential nutrients and adequate level of energy to permit the most efficient growth of fish.
Paulraj, R
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Energy Assessment of Pastoral Dairy Goat Husbandry from an Agroecological Economics Perspective. A Case Study in Andalusia (Spain) [PDF]

open access: yes, 2018
This paper presents a methodological proposal of new energy sustainability indicators according to a novel accounting that follows agroecological and ecological economics criteria.
Gutiérrez Peña, Rosario   +3 more
core   +1 more source

Effect of improving management system on camel milk production [PDF]

open access: yes, 2015
Twenty four lactating she-Camels of the Sudanese Kabbabish breed and were divided into two equal groups of 12 animals. The first group was managed in a semi intensive system by offering concentrates and roughage, free access to water and veterinary care.
Bakheit, Sallam Abdelfadeil   +2 more
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Typology and structural characterisation of suckler cow farming system in Central Macedonia, Greece

open access: yesItalian Journal of Animal Science, 2019
The aim of this study was to establish a farm typology of the suckler cow sector, based on a stratified sample of 66 farms in the region of Central Macedonia, Greece.
Dimitrios Gourdouvelis   +4 more
doaj   +1 more source

Haematological Parameters of the Hybrid Surubim (Pseudoplatystoma reticulatum x P. corruscans) farmed in Brazil

open access: yesBrazilian Archives of Biology and Technology, 2015
This study evaluated the haematological parameters of the hybrid surubim (Pseudoplatystoma corruscans x P. reticulatum) farmed in intensive and semi intensive system. A total of 240 fish were examined, 120 from fish farm and 120 from a semi-intensive for
Gabriela Tomas Jerônimo   +6 more
doaj   +1 more source

Effects of different rearing systems on growth and fattening performance of american bronze turkeys [PDF]

open access: yesEurasian Journal of Veterinary Sciences, 2023
Aim: This study was carried out to investigate the effect of different rearing conditions on the growth and fattening performance of American bronze turkeys.
Emre Arslan, Orhan Cetin
doaj  

Effect of Rapid or slow release nitrogen supply and cover crop/weed management on crop yield, pest incidence and fruit quality in intensive organic apple production [PDF]

open access: yes, 2007
Apple is the commercially most important top fruit crop grown in the European Union. In spring 2001 one-year-old trees of the apple variety ‘Ingrid Marie’ were established in an organic production system with 3.0 m between the tree rows.
Lindhard Pedersen, H.
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