Showing papers in "British Veterinary Journal in 1982"

TL;DR: A phase of pre-ovulatory sequestering of spermatozoa in the caudal isthmus is suggested and considered in relation to peri-OVulatory mechanisms of sperm release from this storage site.

TL;DR: Coenuriasis was shown to depress live weight gains or to lead to weight loss in a few infected lambs in both acute and chronic phases and the association between location of brain lesions and coenuri, and clinical signs was examined.

TL;DR: There was a significant negative correlation between bodyweight during the first week post partum and the acyclic period (r = − 0·322; P).

TL;DR: A retrospective study of disease incidence in 231 cattle herds, in which all calves had been vaccinated over a period of at least four years and which had remained closed with no changes in breed or herd type, indicated that freedom from disease was achieved after an average of four years.

TL;DR: Cardiovascular failure was considered to be responsible for many sudden deaths, but in some cases, post-mortem examination failed to reveal significant pathological changes, and it is suggested that death in such cases may be due to functional disorders of the heart.

TL;DR: Progesterone measurements in milk samples collected daily, thrice weekly or twice weekly from individual cows have shown that a failure to detect oestrus is the biggest single cause of delay in insemination and the efficacy of treatments for this problem and for cases of acyclicity and persistent luteal function.

TL;DR: There was no correlation between the level of any class of Ig and daily liveweight gain to weaning in dairy calves observed from birth for 6 h.

TL;DR: Information is summarized on the effects of the ensilage of forage crops on the formation and changes in components potentially harmful to the animal and the conditions for mycotoxin production, listeriosis and survival of animal parasites.

TL;DR: The use of such an inert marker procedure with complete diet preparations should include practical methods of preventing coprophagy, and digestibility calculated on such representative samples collected over the whole 24 h in a five-day sampling period gave good agreement with complete collection.

TL;DR: Cows in four commercial herds were served by AI two days after detecting the characteristic fall in milk progesterone concentration accompanying regression of the corpus luteum, indicating that 63·8% were pregnant compared with 67·2% in the control group inseminated at behavioural oestrus.

TL;DR: The results suggest that the use of a glucuronide bridge for linking progesterone to enzyme may reduce ‘bridge-recognition’ phenomena sufficiently for a visual distinction to be made between luteal and follicular phase concentrations of progester one.

TL;DR: Changes in the blood composition of ewes are contrasted with the changes which occur at similar times in theBlood composition of dairy cows.

TL;DR: Methods are described for the diagnosis of Toxoplasma gondii abortion in ewes by the detection of specific antibody in foetal fluids and serum using the dye test and IFA-IgM tests.

TL;DR: No drop in milk yield resulted from induction and subsequent fertility was acceptable, and the time from treatment to calving and the incidence of dystocia, placental retention and metritis were all greater the earlier in gestation that cloprostenol was administered.

TL;DR: It is recommended that more attention than is given now be given to the management of bucket-fed calves and calves from imported breeds during the first five weeks of life, especially during the third and fourth weeks, to reduce mortality.

TL;DR: The prevalence of antibodies to Babesia divergens in cattle in Northern Ireland showed a strong negative correlation with the sheep population present, and the percentage of cattle infected was greater in beef than in dairy-based herds.

TL;DR: Heavily-infected buffaloes showed emaciation and severe pathology in the liver and bile ducts and no lesions were recorded in the lungs and other organs.

TL;DR: Haematological changes indicated the development of normocytic normochromic anaemia in goats and sheep given daily oral doses of Heliotropium ovalifolium and showed signs of poisoning and two goats died.

TL;DR: Donkey skeletons were examined to ascertain the number of vertebrae, and the vertebral formula for this species was found to be C7T18L5 S5 Ca15–17.

TL;DR: In haired mice the response to infection was typical of that seen on haired skin in other animals, however, in hairless mice there was a nodular reaction caused by abscess formation in the abortive hair follicles, and experimental D. congolensis infection in the mouse is a useful model system for studies of factors influencing skin infection.

TL;DR: A direct enzymeimmunoassay for progesterone in whole and last milk (stripping) allows reliable detection of corpus luteum activity within one working day.

TL;DR: An indirect enzyme-linked immunosorbent assay (ELISA) has been developed for the rapid serological confirmation of swine vesicular disease (SVD) and for the surveillance of antibody against this disease in pigs and it was more sensitive than DID.

TL;DR: Plasma cortisol, water intake, urine output and the packed cell volume were determined in six adult Merino wethers exposed to hot-humid, hot-dry, cool-humidity and cool-dry environments and increased THI values were correlated with decreased plasma cortisol.

TL;DR: From the combined records of pregnancies in two breeding seasons in a flock of Clun Forest ewes, parturition was normally distributed from 135 to 154 days, with a 145 day median, and it is suggested they resulted from unobserved matings one or two cycles after the last recorded mating.

TL;DR: A direct radioimmunoassay for Oestrone sulphate in bovine milk using an antiserum raised against oestrone glucuronide has been developed and validated by comparison with a method involving enzyme hydrolysis of the sulphate followed by extraction.

TL;DR: The effect of the administration of peptidoglycan (PG) and dializable transfer factor (TF) upon the immunoresponse and the incidence of diarrhoea amongst sucking piglets is described.

TL;DR: The pro-oestrous peak was readily demonstrated although peaks occurring between days 4 and 6 post oestrus were less consistent and thus less significant, in some animals falling below the limits of assay sensitivity.