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Showing result 1 - 5 of 6 essays matching the above criteria.

1. 1. Dark pathways : cows’ walking behavior in dim light environments

   University essay from SLU/Dept. of Animal Nutrition and Management

   Author : Kajsa Ståhlberg; [2022]
   Keywords : night light; illumination; locomotion; activity; intensity; color; distribution; obstacle course;

   Abstract : Swedish dairy cows should have access to dim light at night according to the animal welfare act, but there are no further recommendations stated for dim light management regarding light intensity, light color, or light distribution. This study aimed to examine the effects of five dim light intensities, in red and white light color, and in even and uneven light distribution on cows’ walking behavior in an obstacle course. READ MORE

3. 2. The behaviour and movement of dairy calves in low light intensities

   University essay from SLU/Dept. of Animal Nutrition and Management

   Author : Emelie Battersby; [2016]
   Keywords : light intensity; calves; behaviour; locomotion;

   Abstract : According to the Swedish welfare act, cattle stables must have inlet of natural light and artificial light that do not disturb the animals’ natural behaviour and diurnal rhythm, dairy cows should also be provided with light at night. However, there are no specific recommendations on light programs for calves. READ MORE

4. 3. Rutiner för belysningsanvändning och utformning av belysning i lösdriftsladugårdar för mjölkkor

   University essay from SLU/Dept. of Animal Nutrition and Management

   Author : Martin Jakobsson; [2016]
   Keywords : mjölkkor; ljustimmar; nattbelysning; rutiner; management; enkätundersökning; dairy cows; light hours; night light; routines; management; survey;

   Abstract : Denna studie har till avsikt att undersöka och utvärdera belysning i Svenska mjölkningsstallar. Genom mätningar på 15 gårdar och enkätsvar från 119 gårdar har rutiner för och utformning av dag- och nattbelysning undersökts. Litteraturstudien behandlar forskning om belysning och dess påverkan på produktions- och fertilitetsparametrar. READ MORE

5. 4. Design of a PV system with variations of hybrid system at Addis Ababa Institute of Technology

   University essay from KTH/Energiteknik

   Author : Lovisa Bergman; Amanda Enocksson; [2015]
   Keywords : ;

   Abstract : This paper proposes a renewable power generation system for Addis Ababa Institute of Technology (AAiT). The aim of hybridizing renewable energy sources is that the main load shall be covered by the available solar energy source and other sources shall function as a complement when there is a deficiency in the main source. READ MORE

6. 5. The effect of low light intensities and red light on heart rate, blood pressure, respiratory rate and activity in dairy cows

   University essay from SLU/Dept. of Animal Nutrition and Management

   Author : Pernilla Olsson; [2014]
   Keywords : dairy cows; light intensity; colour; respiratory rate; heart rate; blood pressure; novel object test; obstacle course; vision;

   Abstract : Today dairy farmers in Sweden are obligated to have lights turned on during night time in addition to the mandatory daylight inlet. This presents a cost for the production but many argue that it can be economically beneficial, especially in loose housing of dairy cows. READ MORE