The number of small-scale and backyard livestock and poultry owners in urban and peri-urban areas has increased greatly over the last 10 years in the U.S. However, these animal owners may live in areas without access to livestock and/or poultry veterinary care. The purpose of this study was to identify potential veterinary service needs of these animal owners in the western US, assess their use of management and husbandry practices with regards to disease prevention, and assess their attitudes about animal health and food safety. A semi-structured survey was made available to small-scale and backyard livestock and poultry owners in Washington State, California, Colorado and Oregon. The survey instrument included questions about types of animals reared, uses of the animals, veterinary services and information-seeking behaviors of owners, attitudes on animal health and food safety, and management practices. Four hundred thirty-five individuals completed at least some portion of the survey. Most described themselves as living in rural areas (76%). Most (86%) owned chickens, 53% owned small ruminants, and 31% owned cattle. Many individuals owned more than one species and most had fewer than 20 animals of a given species. About 74% of respondents utilized their animals’ products for their own consumption but 48% sold animal products (primarily through internet sales (35%) or farmers’ markets (25%)). Overwhelmingly, respondents gained information about animal health (82%) and animal treatment procedures (71%) from the internet. Respondents reported their veterinarian’s practice type as companion animal (26%) or a mixed animal or food animal predominant (66%). Overall, respondents were very satisfied with the level of care (82%), but 43% had not sought animal health care in last 12 months. However, the veterinarian’s primary practice type and owner’s satisfaction with veterinary care were associated with their location (state), species owned, and urban or peri-urban setting. Livestock species type (cattle, small ruminants and swine), and use (personal or commercial) were associated with implementation of different biosecurity practices. The results of this survey highlight some of the needs of these animal owners for veterinary care and information which are location- and species-specific. Veterinary care for these small-scale and backyard animals is vital to the health and welfare of the animals as well as for identification of zoonoses and assurance of the food safety of animal products.
Measurements of arterial blood gas tensions and acid-base status provide a means of assessing how well the respiratory system is functioning. This information is essential for thorough evaluation of a compromised neonatal calf but arterial blood sampling is difficult immediately after birth. A technique for collecting blood from the brachial artery of the newborn calf is described. This technique, which uses an easily located site, has been successfully used in field studies to determine arterial blood gas values in such calves.
Dairy calves under 14 days of age with naturally occurring, uncomplicated diarrhea were treated for 3 days with a hypertonic oral electrolyte solution with (n = 15) or without (n = 12) psyllium. Clinical response and clinical pathology data were compared between the 2 groups. Glucose absorption was evaluated on days I and 3 by measurement of plasma glucose and lactate and serum insulin concentrations for 4 hours after formula administration. On day I , glucose, lactate, and insulin concentrations were lower in psyllium-fed calves than in control calves, with significant differences noted in glucose and lactate concentrations at several time points ( P < 0.05). Plasma lactate concentrations were higher at several times in both treatment groups on day 3 than on day I ( P < 0.05). Fecal consistency was markedly different in psyllium-fed calves as compared with control calves within 24 hours of psyllium supplementation. Fecal percent dry matter content was lower in psyllium-fed calves than in control calves at least once a day during supplementation and on day 3 compared with day 0 in the psyllium-fed calves (P < 0.05). There were no significant differences in clinical performance scores, hydration status, arterial blood gas, serum anion gap, electrolyte, or total CO, concentrations. Addition of psyllium to an oral electrolyte solution resulted in immediate alterationa in glucose absorption without impairing rehydration in diarrheic calves, but differences were transient and did not affect clinical outcome.Key words: Enteritis: Glucose; Insulin: Lactate.he optimal treatment of neonatal calf diarrhea has been T the subject of clinical and scientific interest in recent years. Interest stems from the fact that enteritis is a leading infectious cause of morbidity and mortality in calves, resulting in economic losses for the cattle industry.'.' Treatment strategies are directed at correcting the severe electrolyte and acid-base imbalances and fluid and energy deficits that often accompany calf diarrhea. Traditionally, the mainstay of therapy has included administration of hypertonic oral or parenteral electrolyte solutions containing glucose and alkaline buffers.? However, these solutions are not adequate for meeting caloric requirements and sustaining body weight in healthy calves or those with diarrhea.s Therefore, efforts have been directed at identifying alternative energy substrates or other substances that enhance nutrient absorption and improve efficacy of oral replacement solutions for treatment of diarrheic calve^.^.^A novel approach to correcting the energy deficits that accompany calf diarrhea is to enhance nutrient absorption from the gastrointestinal tract by the use of dietary fiber. The addition of fiber to orally administered electrolyte solutions may improve glucose absorption by slowing gastric emptying7,* Dietary fiber may have other beneficial effects in diarrheic animals, including improved nutrient assimilation, intestinal epithelial regeneration, restoration of the normal mucosal barrier to enteric...
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