Sökning: "broiler chicken Gallus gallus domesticus"

Hittade 3 uppsatser innehållade orden broiler chicken Gallus gallus domesticus.

1. 1. Perching behaviour and disturbance during sleep in three hybrids of broiler chicken (Gallus gallus domesticus)

   Kandidat-uppsats, SLU/Dept. of Animal Environment and Health

   Författare :Maja Wedin; [2016]
   Nyckelord :broiler chicken; perching; sleeping behaviour; welfare; hybrids; organic production;

   Sammanfattning : The aim of broiler chicken production is to breed chickens with high growth rate and muscle/bone ratio. However, this selection has affected the physiology of the broilers and as a result broilers display a physique that inhibits them in executing behaviours that they are motivated to perform. LÄS MER

3. 2. Effect of daytime and age on the avoidance and approach behaviour of commercial Danish broiler chicken

   Master-uppsats, Linköpings universitet/Biologi; Linköpings universitet/Tekniska fakulteten

   Författare :Franziska Hakansson; [2015]
   Nyckelord :Welfare Quality®; welfare assessment; broiler chicken Gallus gallus domesticus ; fear avoidance approach ; human-animal-relationship; diurnality of behaviour; daytime dependence;

   Sammanfattning : As activity levels of intensively managed broiler chicken vary over time, detailed knowledge on their influence is potentially useful to further adjust welfare assessment schemes. Therefore, this study investigated the influence of daytime and age on the performance of broiler chicken in two applied fear tests. LÄS MER

4. 3. Effects of the NO donors Sodium Nitroprusside andS-nitrosoglutathione on oxygen consumption and embryonic organ growth in the domestic broiler chicken,Gallus gallus domesticus.

   Kandidat-uppsats, Institutionen för fysik, kemi och biologi

   Författare :Andreas Ekström; [2010]
   Nyckelord :Hypotension; Nitric Oxide; NO donor; Oxygen consumption; Prenatal growth; S-Nitrosoglutathione; Sodium Nitroprusside; Vasodilation;

   Sammanfattning : Nitric oxide (NO) is an important chemical factor that controls vascular tone in the cardiovascular system. NO is a vasodilatory molecule that plays a role in blood pressure and blood flow regulation as well as vessel formation and tissue cell proliferation. LÄS MER