Results 81 to 90 of about 6,552 (125)
Veterinary Journal, 2001 One of the costly and welfare-reducing problems in modern pig production is tail biting. Tail biting is an abnormal behaviour, characterized by one pig's dental manipulation of another pig's tail. Tail biting can be classified into two groups: the pre-injury stage, before any wound on the tail is present, and the injury stage, where the tail is wounded
Schrøder-Petersen, Dorte Lene +1 more
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Tail-biting: A new perspective
Veterinary Journal, 2010Tail-biting data from different studies are difficult to compare because a range of definitions of tail-biting behaviour and tail-biting lesions are used. Although records from abattoirs provide a large database, their usefulness is restricted as tail-biting is under-recorded and environmental and husbandry factors associated with the behaviour are ...
David Main +2 more
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Applied Animal Behaviour Science, 2011
Abstract This study investigated the association between tail biting (TB) and other abnormal behaviours in a group of non-tail docked pigs. Behavioural data were collected from 742 pigs housed on a commercial farm. The prevalence of performed and received TB, belly nosing, bar biting, ear biting and mounting was recorded during two 30min observation ...
Anna Wallenbeck, Linda Keeling
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Abstract This study investigated the association between tail biting (TB) and other abnormal behaviours in a group of non-tail docked pigs. Behavioural data were collected from 742 pigs housed on a commercial farm. The prevalence of performed and received TB, belly nosing, bar biting, ear biting and mounting was recorded during two 30min observation ...
Anna Wallenbeck, Linda Keeling
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To bite or not to bite-a study of tail bits versus tail-biting
Proceedings of PIMRC '96 - 7th International Symposium on Personal, Indoor, and Mobile Communications, 2002Tail bits and tail-biting are the two commonly used methods for terminating the trellis of convolutional codes. In this paper, we evaluate the relative performance of these two options by comparing their performance in a variety of cases. Suboptimal decoding algorithms for the tail-biting case are proposed.
Yi-Pin Eric Wang, Rajaram Ramesh
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Veterinary Record, 2015
TAIL biting is relatively common in pigs but is rare in cattle. There are three reports in the literature (Sigsgaard and Hansen 1979, Meindertsma 1986, van der Mei 1986) with phosphorous deficiency and associated pica thought the likely cause in one of these (Sigsgaard and Hansen 1979). Tail trauma, on the other hand, can be common in fattening cattle,
Michael, Millar, Phil, Kenward
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TAIL biting is relatively common in pigs but is rare in cattle. There are three reports in the literature (Sigsgaard and Hansen 1979, Meindertsma 1986, van der Mei 1986) with phosphorous deficiency and associated pica thought the likely cause in one of these (Sigsgaard and Hansen 1979). Tail trauma, on the other hand, can be common in fattening cattle,
Michael, Millar, Phil, Kenward
openaire +2 more sources
On Tail Biting Convolutional Codes
IEEE Transactions on Communications, 1986In this paper, we introduce generalized tail biting encoding as a means to ameliorate the rate deficiency caused by zero-tail convolutional encoding. This technique provides an important link between quasi-cyclic block and convolutional codes. Optimum and suboptimum decoding algorithms for these codes are described and their performance determined by ...
Howard H. Ma, Jack K. Wolf
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New Zealand Veterinary Journal, 1983
Abstract Extract Sir:- Over the last year or so we have seen an apparent increase in the number of pigs with tail bites at the Tomoana plant, Judging from talks with works people, Meat Inspectors, and colleagues, the condition seems to be accepted as an unavoidable affliction connected with industrialised pig-rearing.
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Abstract Extract Sir:- Over the last year or so we have seen an apparent increase in the number of pigs with tail bites at the Tomoana plant, Judging from talks with works people, Meat Inspectors, and colleagues, the condition seems to be accepted as an unavoidable affliction connected with industrialised pig-rearing.
openaire +3 more sources