- Locomotion activity by growing pigs in the fattening period.
Züchtungskunde
- The influence of the Lorenzian theory of instinctive behaviour in the discussion about adequate rearing conditions in the domestic fowl.
Züchtungs Kunde
- Investigations of Twins in Cattle.
Zwillingsforschung beim Rind.
- Twin births and multiple births in the Württemberg herd-book associations.
Zwillings- und Mehrlingsgeburten in den Herdbuchverbanden Württembergs.
- A system for recording maternal behaviour of lactating mice.
Zwierzeta Laboratoryjne
- Testing the suitability of mice of the BALB/c strain for investigations on aggression.
Zwierzeta Laboratoryjne
- The effect of mating frequency on the sexual activity and fertility of male inbred and F1 hybrid mice.
Zwierz. lab.
- Battery husbandry of laying hens. Animal welfare arguments from the ethological point of view.
Zuuchtungskunde
- Relations between dog behaviour and different degrees of restriction of the dog by the leash.
Zusammenhänge zwischen Hundeverhaltern und unterschiedlicher Einschränkung des Hundes durch die Leine
- On the ecology of Dermacentor reticulatus (Fabricius, 1794) (Parasitiformes: Ixodida: Ixodidae).
Zur ökologie von Dermacentor reticulatus (Fabricius, 1794) (Parasitiformes: Ixodida: Ixodidae).
- On the ecology of Rhipicephalus evertsi mimeticus Dönitz, 1910.
Zur Ökologie von Rhipicephalus evertsi mimeticus Dönitz, 1910.
- On the ecology of Argas (Persicargas) walkerae Kaiser & Hoogstraal, 1969.
Zur Ökologie von Argas (Persicargas) walkerae Kaiser und Hoogstraal, 1969.
- The seasonal population dynamics of Diptera on horses with regard to their control.
Zur saisonalen Populationsdynamik der Dipteren beim Pferd unter Berücksichtigung ihrer Bekämpfung.
- Pheromonally induced communication in the developmental and reproductive cycle of Argas (Persicargas) walkerae Kaiser & Hoogstraal, 1969, and localisation of pheromone secretion and perception.
Zur pheromonal induzierten Kommunikation im Entwicklungs- und Reproduktionszyklus von Argas (Persicargas) walkerae Kaiser und Hoogstraal, 1969, sowie zur Lokalisation der Pheromonsekretion und -perzeption.
- On the scototaxis and target perception of unfed adult ticks of Hyalomma truncatum (Ixodida: Ixodidae).
Zur Skototaxis und Zielwahrnehmung wirtssuchbereiter Adultzecken von Hyalomma truncatum (Ixodida: Ixodidae).
- On the sensitivity and reaction of adult Rhipicephalus evertsi mimeticus and Hyalomma truncatum to optical radiance of varying ranges of wavelengths and different irradiances as well as to optical radiance of a sun-simulating waveband spectrum.
Zur Reaktivität und Reaktion adulter Rhipicephalus evertsi mimeticus und Hyalomma truncatum auf optische Strahlung unterschiedlicher Wellenlängensektoren und Bestrahlungsstärken sowie eines sonnensimulierenden Spektralbereiches.
- History of the vices of horses: symptoms, causes, treatment and forensic aspects.
Zur Geschichte der Untugenden des Pferdes: Symptome, Ursachen, Behandlung und Forensik.
- Measurement and evaluation of sound levels in piggeries during the night.
Zur Erfassung und Bewertung von Gerauschen im Schweinemaststall in den Nachtstunden.
- The development, reproduction and subspecific validity of Rhipicephalus evertsi mimeticus Dönitz, 1910, and the paralysis-inducing capacity of adult females.
Zur Entwicklung, Reproduktion und subspezifischen Validität von Rhipicephalus evertsi mimeticus Dönitz, 1910, sowie zur Paralyse-induzierenden Kapazität der weiblichen Imagines.
- The control of the apple peel tortricid Adoxophyes orana F.v.R. (Lepidoptera, Tortricidae) and other apple pests with extracts of the neem plant Azadirachta indica A. Juss (Meliaceae) with reference to side effects on natural enemies.
Zur Bekämpfung des Apfelschalenwicklers Adoxophyes orana F.v.R. (Lepidoptera, Tortricidae) und anderer Apfelschädlinge mit Inhaltsstoffen des Niembaumes Azadirachta indica A. Juss. (Meliaceae) unter Berücksichtigung von Nebenwirkungen auf natürliche Feinde.
- Electromagnetic exposure effects the hippocampal dentate cell proliferation in gerbils (Meriones unguiculatus).
Zur Auswirkung von Magnetfeldbehandlungen verschiedener Frequenzen auf die Mitoserate im hippokampalen Gyrus dentatus der Wüstenrennmaus (Meriones unguiculatus). Eine quantitative Analyse
- Spatial requirement of breeding heifers in loose housing.
Zum Flächenbedarf zuchtfähiger Färsen in Rinderaufställen.
- Status of the Beet-fly in 1928.
Zuckerrubenbau
- Warning signs and means of recognizing reproductive disorders.
Zuchtwahl u. Besamung
- Use of Avoparcin in beef-bull-fattening.
Zuchtungskunde
- Animal welfare and production in the cage rearing of newly weaned piglets.
Zuchtungskunde
- The inbreeding and relationship coefficients for bulls of artificial insemination and natural mating in the breeding district of the German Friesian cattle in Schleswig-Holstein.
Zuchtungskunde
- A method for determining social dominance among cattle.
Zuchtungskunde
- Social behaviour of sows kept in groups.
Zuchtungskunde
- Biological and animal welfare relevant indicators in judgement of "animal protection justness" of management systems, a critical description.
Zuchtungskunde
- Oestrous behaviour, birth, fertility and causes of losses of sows in cage and group housing.
Zuchtungskunde
- Environmental stimuli, social behaviour and reproduction in swine.
Zuchtungskunde
- The effect of unilateral castration on the endocrine function of the testis and fattening performance and carcass quality of Simmental cattle.
Zuchtungskunde
- Effect of the electric "cow trainer" on behaviour and circulatory and blood values in the cow.
Zuchtungskunde
- Biotelemetric systems in animal husbandry and animal breeding.
Zuchtungskunde
- Measurement of heart frequency (variations) in cattle by telemetry.
Zuchtungskunde
- Relationship between social rank and milk yield in a high-yielding herd.
Zuchtungskunde
- Ethological research with chickens in German animal research institutes.
Zuchtungskunde
- Behaviour of cattle on stands having smooth floors.
Zuchtungskunde
- Behaviour of early-weaned lambs.
Zuchtungskunde
- Cross-imprinting of sheep and goats.
Zuchtungskunde
- The rehabilitation of Austrian horse breeding.
Zuchtungskunde
- The development of the heavy Silesian " warm-blood " horse according to the results of measurement.
Zuchtungskunde
- Fertility studies on horses of the Trakehnen stud.
Zuchtungskunde
- Artificial control of sex ratio.
Zuchtungskunde
- Some results of studies on heritable characters in the pig.
Zuchtungskunde
- Consideration of dam performance in progeny testing for milk yields and milk fat.
Zuchtungskunde
- Sexual behaviour of the ram in harem-mating, in relation to conception rate.
Zuchtungskunde
- The behaviour of cattle.
Zuchtungskunde
- Blood group and serum protein research in the service of breeding, demonstrated by an example on Slovakian and German Yorkshire pigs.
Zuchtungskunde
