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Keywords = elevated slatted floor housing

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10 pages, 476 KiB  
Review
Fighting the Deadly Helminthiasis without Drug Resistance
by George F. W. Haenlein and Young W. Park
Dairy 2020, 1(3), 177-186; https://doi.org/10.3390/dairy1030012 - 14 Oct 2020
Cited by 3 | Viewed by 4772
Abstract
Helminthiasis is a very costly management problem in the sheep and goat industry, because the gastrointestinal parasites develop resistance against all chemical products that are discovered and produced by the pharmaceutical industry. The use of natural herbal contents of tannin as especially in [...] Read more.
Helminthiasis is a very costly management problem in the sheep and goat industry, because the gastrointestinal parasites develop resistance against all chemical products that are discovered and produced by the pharmaceutical industry. The use of natural herbal contents of tannin as especially in Sericea Lespedeza (SL; Lespedeza cuneate) is very promising. Utilizing genetic differences in resistance among the different goat and sheep breeds is a promising alternative, with limited success to date. Totally eliminating the offending parasites from re-infesting by plowing under affected pastures for some seasons, or scheduling rotational pastures, or feeding fresh (grazed) or dried forms of the perennial warm-season legume sericea lespedeza to the infected sheep and goats, or using elevated housing with slatted floors are the most promising alternatives to the ancient tradition of herding and managing ruminants by transhumance. An elevated slatted floor housing is desirable, and deserves wider attention because of its potential in controlling helminthiasis. Slatted floors are already used in the sheep and goat industries in Sweden, Norway, Malaysia and Guatemala. Full article
(This article belongs to the Special Issue Challenge to The Dairy Industry and Human Nutrition)
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12 pages, 6378 KiB  
Article
Evaluation of Two Different Flooring Designs for Rabbit Housing in Accordance with German Welfare Regulations: Soiling and Mortality
by Sally L. Rauterberg, Joana Bill, Sarah Kimm, Nicole Kemper and Michaela Fels
Agriculture 2019, 9(12), 257; https://doi.org/10.3390/agriculture9120257 - 4 Dec 2019
Cited by 4 | Viewed by 5612
Abstract
The aim of the present study was to investigate a new housing system for fattening rabbits with two different flooring designs (F1 and F2) in accordance with new legal requirements in Germany (11 mm slats and 11 mm gaps, elevated platform with 15% [...] Read more.
The aim of the present study was to investigate a new housing system for fattening rabbits with two different flooring designs (F1 and F2) in accordance with new legal requirements in Germany (11 mm slats and 11 mm gaps, elevated platform with 15% perforation), in comparison with an established system with wire mesh flooring (C). While F1 flooring was made of punched slatted plastic panels, F2 consisted of fixed single rods with a rounded surface. In six batches with F1 and C housing, and subsequently three batches with F2 housing, soiling of rabbits’ hind feet, pens, and cages as well as mortality rates were recorded. While pens and rabbits in F2 conditions were assessed as being cleaner than F1, neither reached the cleanliness of C rabbits and cages. Mortality was highest in F1 housing (18.1%) and comparable between F2 (10.3%) and C housing (11.7%). The present investigations showed different results in terms of soiling and mortality for different implementations of the German regulations. Nevertheless, both floors in accordance with these requirements revealed hygienic disadvantages compared to the established cages. Further research is necessary in order to keep rabbits under good hygienic conditions and in compliance with legal requirements. Full article
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17 pages, 3738 KiB  
Article
Effect of A New Housing System on Skin Lesions, Performance and Soiling of Fattening Rabbits: A German Case Study
by Sally L. Rauterberg, Joana Bill, Sarah Kimm, Nicole Kemper and Michaela Fels
Animals 2019, 9(9), 650; https://doi.org/10.3390/ani9090650 - 4 Sep 2019
Cited by 12 | Viewed by 3478
Abstract
The aim of the present study was to develop and evaluate a new housing system for fattening rabbits. Data were collected on a farm with rabbits housed either under new conditions (NC) or established (conventional) conditions (CC). NC housing was characterized by large [...] Read more.
The aim of the present study was to develop and evaluate a new housing system for fattening rabbits. Data were collected on a farm with rabbits housed either under new conditions (NC) or established (conventional) conditions (CC). NC housing was characterized by large groups (Ø 58 rabbits, max. 12 rabbits/m2), slatted plastic floor (11 mm slats and 11 mm gaps), elevated platforms with partly solid floor, boxes and different enrichment materials. CC rabbits were kept in small groups (eight rabbits, 23 rabbits/m2) in cages with wire-mesh floor, an elevated platform, a box and one gnawing stick. Skin lesions and weight gain of 524 rabbits, cleanliness of their hind feet as well as their mortality and morbidity were investigated from weaning to slaughter in five batches. The evaluations showed higher daily weight gain (46.3 ± 6.0 g vs. 43.1 ± 5.5 g) and final weight (2878 ± 328 g vs. 2707 ± 299 g), as well as a lower cumulative lesion score at the middle of the fattening period in NC than in CC rabbits. Nevertheless, cleanliness of hind feet was assessed to be worse and mortality was higher in the NC housing. The NC system provided some benefits in terms of animal welfare compared to the conventional system, but hygienic challenges posed by this system make further adjustment necessary. Full article
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9 pages, 2397 KiB  
Article
Investigations on the Influence of Floor Design on Dirtiness and Foot Pad Lesions in Growing Rabbits
by Till Masthoff and Steffen Hoy
Animals 2019, 9(6), 354; https://doi.org/10.3390/ani9060354 - 14 Jun 2019
Cited by 10 | Viewed by 5220
Abstract
In Germany, an animal welfare ordinance for the housing of rabbits was issued which did not take into account the current investigations on floor design. The aim of the investigations was to study the effects of floor design on dirtiness and occurrence of [...] Read more.
In Germany, an animal welfare ordinance for the housing of rabbits was issued which did not take into account the current investigations on floor design. The aim of the investigations was to study the effects of floor design on dirtiness and occurrence of lesions on the legs of growing rabbits. A total of 1837 weaned rabbits, kept on four different floor designs, were examined for body lesions and the dirtiness of the soles of the feet at the end of the growing period. Two four-stage scoring systems (0–3) were used to record the dirtiness and the lesions on the feet. A floor according to the provisions of the German animal protection ordinance (10 mm slat width; 50% perforation on floor area; <15% perforation on the elevated platform) led to the most polluted and injured rabbits. The best cleanliness and the lowest injury rate of the growing rabbits was achieved on a plastic floor with 5 mm slat width and 13 mm slot width, both on the ground and elevated platform (75% perforation). The requirements of the German housing regulations on the floor for growing rabbits do not correspond to animal welfare. Full article
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