نتایج جستجو برای: productive parameters

تعداد نتایج: 610068  

Journal: :Tropical and Subtropical Agroecosystems 2022

<p class="Default"><strong>Background. </strong>Propylene glycol has been used successfully since the 1950’s for him acute and prophylactic treatment of ketosis in dairy cows however; its use poorly evaluated beef cattle meat sheep.<strong> Objective</strong>. Evaluate effects different doses propylene on productive parameters, blood metabolites ruminal parameters ...

2006
Manu Kapur

Contrary to the fairly established notion in the learning sciences that un-scaffolded processes rarely lead to meaningful learning, this study reports a hidden efficacy of such processes and a method for extracting it. Compared to scaffolded, well-structured problem-solving groups, un-scaffolded, ill-structured problem-solving groups struggled with defining and solving the problems. Their discu...

Journal: :Reproduction, nutrition, development 1997
M Avdi M A Driancourt

Because twin (and sometimes triplet) births commonly occur in sheep, interactions between foetuses of opposite sex may occur during life in utero and affect adult productive or reproductive performance. This was investigated by comparing growth, milk production and reproductive features of female lambs born as twins with a sister (FF) or a brother (FM) or born as triplets with two sisters (FFF)...

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