Results 61 to 70 of about 1,503,995 (223)
Poultry Science, 2020 An experiment was conducted to investigate the effects of dietary pantothenic acid levels on growth performance, carcass traits, pantothenic acid status, and antioxidant status of male white Pekin ducks from 15 to 42 D of age and to evaluate the ...
Jing Tang +10 more
doaj
Poultry Science, 2021 : This study aimed to determine the dietary tryptophan (Trp) requirement for laying duck breeders. A total of 504 Longyan duck breeders (body weight: 1.20 ± 0.02 kg) aged 22 wk were randomly allocated to 6 treatments, each with 6 replicates of 14 ducks ...
Y.N. Zhang +8 more
doaj
Revista Brasileira de Zootecnia, 2007 Foram utilizadas 52 fêmeas suínas em lactação distribuídas em delineamento experimental de blocos ao acaso, composto de quatro níveis de treonina digestível (0,64; 0,67; 0,70 e 0,73%) na dieta e 13 repetições, em que cada unidade experimental foi ...
Charles Kiefer +5 more
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Iraqi Journal of Hematology, 2019 BACKGROUND: Acute leukemia is considered one of the most diseases that required frequent blood transfusion. Despite that blood transfusion is one of the main parts in the supportive management of acute leukemia patients, still, there are few data showing
Alaa Fadhil Alwan +2 more
doaj +1 more source
Revista Brasileira de ZootecniaStudies on B-vitamin requirements of cattle, conducted more than 60 years ago, concluded that mature ruminants do not require B-vitamin supplements because the amounts of vitamins provided by the diet and synthesized by the ruminal microflora were ...
Christiane L. Girard
doaj +1 more source
What If People Learn Requirements Over Time? A Rough Introduction to Requirements Economics [PDF]
arXiv, 2017 The overall objective of Requirements Engineering is to specify, in a systematic way, a system that satisfies the expectations of its stakeholders. Despite tremendous effort in the field, recent studies demonstrate this is objective is not always achieved.
arxiv
Effects of different dietary threonine levels on growth and slaughter performance in finishing pigs
Czech Journal of Animal Science, 2007 The objective of this study was to determine the threonine (Thr) requirement of a modern crossbred growing pig from Austria in the finisher stage (67 to 113 kg body weight).
C. Plitzner +4 more
doaj +1 more source
Requirements Model for Cyber-Physical System [PDF]
arXiv, 2017 The development of cyber-physical system (CPS) is a big challenge because of its complexity and its complex requirements. Especially in Requirements Engineering (RE), there exist many redundant and conflict requirements. Eliminating conflict requirements and merged redundant/common requirements lead a challenging task at the elicitation phase in the ...
arxiv