Essays about: "Size at birth"

Showing result 21 - 25 of 48 essays containing the words Size at birth.

1. 21. Svenska smågrisproducenters rutiner kring smågrisdödlighet : utredning av dödsorsak, analys och åtgärder

   University essay from SLU/Dept. of Animal Environment and Health

   Author : Linda Sandberg; [2017]
   Keywords : Smågrisdödlighet; skötselrutiner;

   Abstract : There are different ways to keep pigs for meat production and legislation differ for example between Sweden and the rest of Europe. Swedish sows are not allowed to be confined in a farrowing crate and the age at weaning for piglets in Sweden is minimum 4 weeks and 3 weeks according EUs legislation. READ MORE

3. 22. Explaining Adolescent Offending Variety in Sweden by Parental Country of Birth: A Test of Situational Action Theory

   University essay from Malmö högskola/Fakulteten för hälsa och samhälle (HS)

   Author : Rokon Uddin; [2017]
   Keywords : Immigrant background; Situational Action Theory SAT ; Adolescent offending variety; crime propensity; lifestyle risks; MINDS;

   Abstract : The main aim of this study is to explain adolescent offending variety by their parental country of birth. In doing so, the independent effect size and proportion of variance of two core elements of Situational Action Theory (SAT) – propensity and lifestyle risk – on offending variety are examined by immigrant background and gender. READ MORE

4. 23. Causes of variation in litter size in Swedish piglet production

   University essay from SLU/Dept. of Animal Breeding and Genetics

   Author : Isabelle Westergren; [2017]
   Keywords : litter size; age at first mating; lactation period; weaning to service interval;

   Abstract : Litter size is influenced by a number of different factors including parity number and age at first mating as well as genetic potential and environmental factors such as management and feeding. The aim of this study was to evaluate the effect of age at first farrowing, lactation period and weaning to service interval on subsequent litter size, as well as to obtain descriptive statistics on the variation in litter size over the last few years. READ MORE

5. 24. Population Models with Age and Space Structure

   University essay from Linköpings universitet/Matematik och tillämpad matematik; Linköpings universitet/Tekniska fakulteten

   Author : Anton Karlsson; [2017]
   Keywords : Mathematical Biology; Partial Differential Equations; Long-term Behaviour;

   Abstract : In this thesis, basic concepts of populational models are studied from a theoretical point of view, especially the long term behaviours. All models are at least time dependent with additional age structure, spatial structure. READ MORE

6. 25. Påverkar kullstorleken smågrisens utveckling fram till födseln?

   University essay from SLU/Dept. of Animal Breeding and Genetics

   Author : Isabelle Westergren; [2016]
   Keywords : livmoder; ägglossning; placenta; foster; kullstorlek; tillväxthämning; uterus; ovulation rate; placenta; fetus; litter size; intrauterine growth restriction;

   Abstract : The aim of this literature review was to analyze if the number of fetuses in the uterus will have an effect on the development of the fetuses until birth. Breeding for larger litter size creates a possibility to increase the number of weaned piglets. READ MORE