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Dissertation
Opportunities and constraints of transhumant small ruminant production in the Chinese Altay Mountains
(2016-08-16)
This PhD thesis focuses on current livelihoods of agro-pastoral livestock keepers, their animal nutrition, herd and rangeland management strategies. It thereby aims to contribute to sustainable rangeland management, livestock production and household income in Qinghe county of the Chinese Altay Mountain region, located in Xinjiang Uyghur Autonomous Region, PR China.
In its first part the study characterizes the socio-economic situation and agricultural practices of agro-pastoralists through structured household ...
Dissertation
The role of ligneous vegetation for livestock nutrition in the sub-Sahelian and Sudanian zones of West Africa: Potential effects of climate change
(2012-12-07)
Climate change and variability in sub-Saharan West Africa is expected to have negative consequences for crop and livestock farming due to the strong dependence of these sectors on rainfall and natural resources, and the low adaptive capacity of crops farmers, agro-pastoralist and pastoralists in the region. The objective of this PhD research was to investigate the anticipated impacts of expected future climate change and variability on nutrition and grazing management of livestock in the prevailing extensive agro-pastoral ...
Dissertation
Status and Potential of Smallholder Livestock Production Systems in Xishuangbanna, southern P.R. China
(2013-01-23)
With Chinas rapid economic development during the last decades, the national demand for livestock products has quadrupled within the last 20 years. Most of that increase in demand has been answered by subsidized industrialized production systems, while million of smallholders, which still provide the larger share of livestock products in the country, have been neglected. Fostering those systems would help China to lower its strong urban migration streams, enhance the livelihood of poorer rural population and provide ...
Dissertation
Prevalence of intestinal parasites in small ruminants and their senstivity to treatments with ethnobotanical remedies in Cholistan, Pakistan
(2013-10-16)
Livestock production contributes substantially to the livelihoods of poor rural farmers in Pakistan; strengthening pastoral communities plays an imperative role in the country’s thrive for poverty alleviation. Intestinal helminths constitute a major threat for pastoral livestock keepers in the whole country because chronic infestation leads to distinct losses in livestock productivity, particularly the growth of young animals. Synthetic anthelmintics have long been considered the only effective way of controlling ...
Dissertation
Effects of Different Feeding Regimes on the Digestibility and Faecal Excretion of Nitrogen, Soluble Carbohydrates and Fibre Fractions in Water Buffaloes kept under Subtropical Conditions
(2010-11-12)
In the course of the ‘Livestock Revolution’, extension and intensification of, among others, ruminant livestock production systems are current phenomena, with all their positive and negative side effects. Manure, one of the inevitable secondary products of livestock rearing, is a valuable source of plant nutrients and its skillful recycling to the soil-plant interface is essential for soil fertility, nutrient - and especially phosphorus - uses efficiency and the preservation or re-establishment of environmentally ...
Dissertation
Silage von jung genutzter Luzere (Medicago sativa) als heimisches Proteinfutter in der ökologischen Geflügel- und Schweinefütterung
(2017-06-07)
Die EU-Öko-Richtlinien sehen in der Schweine- und Geflügelfütterung den Einsatz ökologisch und möglichst betriebseigener oder regional erzeugter Futtermittel vor. Außerdem ist ein tägliches Raufutterangebot obligatorisch. Luzerne, die jung geerntet wird, weist im Vergleich zu Sojakuchen und Erbsen pro 100 g Rohprotein (XP) hohe Lysin- und Methioningehalte auf. Da diese einheimische Pflanze in vielen ökologisch wirtschaftenden Betrieben Teil der Fruchtfolge ist, liegt es nahe, ihr Potential als Eiweißfuttermittel für ...
Dissertation
Entwicklung eines ökonomisch ausgerichteten Zuchtprogramms für die bedrohte Schweinerasse „Bunte Bentheimer“
(2016-03-03)
Das Ziel dieser Arbeit war, ein ökonomisch ausgerichtetes Zuchtprogramm für die bedrohte Schweinerasse „Bunte Bentheimer“ (BB) zu entwickeln. Ein wesentlicher Bestandteil von Zuchtprogrammen für bedrohte Rassen ist der Erhalt der genetischen Diversität durch Vermeidung von weiterer Inzucht und Reduzierung des Inzuchtzuwachses. In Kapitel 2 wurde die Population der BB unter Berücksichtigung der vorhandenen Abstammungsinformationen in Bezug auf genetische Diversität, Inzucht und Verwandtschaft analysiert. Durchschnittlicher ...
Aufsatz
Are practice recommendations for the prevention of feather pecking in laying hens in non-cage systems in line with the results of experimental and epidemiological studies?
(Elsevier B.V., 2017-10-14)
Feather pecking (FP) in laying hens is an important animal welfare problem in practice, despite extensive research and increasing sources of advice for farmers. We aimed to give an overview over results from experimental and epidemiological studies. We included non-cage systems, covering the rearing and laying phase. The investigated factors were categorised into those with either good, contentious or no evidence regarding preventive effects on FP. Moreover, we wanted to know to what extent recommendations for farmers ...
Aufsatz
How to measure dairy cows´ responsiveness towards humans in breeding and welfare assessment? A comparison of selected behavioural measures and existing breeding traits
(Elsevier B.V., 2017-08-08)
For dairy cattle breeding as well as animal welfare science reliability and validity issues regarding measures of cows’ responsiveness towards humans are relevant. The objective of this study was to investigate reliability and validity aspects of four selected behavioural measures at the feeding gate (BM) and to compare them with existing breeding traits and with observations of cows’ behaviour during milking. This included the analysis of criterion validity at animal and at herd level and of repeatability of the BM ...
Dissertation
Ermittlung geeigneter Methoden zur Differenzierung und Qualitätsbeurteilung unterschiedlicher Milchqualitäten aus verschiedenen on-farm-Experimenten
(2011-12-14)
Zusammenfassung:
Ziel der Arbeit war ein Methodenvergleich zur Beurteilung der Milchqualität unterschiedlicher Herkünfte. Am Beispiel von Milchproben aus unterschiedlicher Fütterung sowie an Milchproben von enthornten bzw. horntragenden Kühen wurde geprüft, welche der angewendeten Methoden geeignet ist, die Vergleichsproben zu unterscheiden (Differenzierungsfähigkeit der Methoden) und inwieweit eine Qualitätsbeurteilung möglich ist (hinsichtlich Milchleistung, Fett-, Eiweiß-, Lactose- (=F,E,L), Harnstoff-gehalt und ...