Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 132 for “"Multiparous"”.
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Dietary Energy Restriction During Late Gestation in Multiparous Holstein Cows
Multiparous Holstein cows were used to determine the effects of diet, intake, and physiological state on hepatic mitochondrial camitine palmitoyltransferase (CPT) activity. In experiment 1, 30 cows were fed high grain (HG), high fat (HF), or high grain + high fat (HGF) diets from dry-off to …
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Effect of naloxone on serum luteinizing hormone concentrations during the early postpartum period and the estrous cycle in primiparous and multiparous holstein cows
… In experiment 1, 24 cows (12 primiparous; 12 multiparous) received either saline (n = 12) or 1 mg/kg naloxone (n = 12) i. v. at 14 1 days postpartum. Blood samples were collected at 15-minute intervals for 2 hours before and 2.5 hours after naloxone or saline. Serum LH concentrations increased …
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Managing the lactating sow to stimulate lactation ovulation
… to reliably stimulate a lactation oestrus in multiparous and primiparous sows. Secondly, to determine the effect of these strategies on piglet growth, subsequent pregnancy rate, farrowing rate and litter size. The mechanisms investigated were focused on: reducing the suckling input to the sow …
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Pregnancy Induced Alterations of Reproductive Tract Collagen and Elastin in a Murine Model
… degrade elastin, compared to elastin from the multiparous rat cohorts. Single pregnancy cohorts exhibit spectra similar to the virgin rat, whereas elastin from cohorts that have undergone three pregnancies resembled that from the multiparous rat cohorts. By applying solid state NMR relaxation …
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Parity and mothers' knowledge of infant development
… of infant development of primiparous and multiparous mothers when the mothers' level of education was controlled. The conceptual framework of experiential learning was tested. The nonrandom sample of 54 mothers was comprised of first-time mothers and third- or subsequent-time mothers. The …
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Intake capacity of the Icelandic dairy cow. Effect of animal factors, concentrate ratio and feeding method
… difference in the DMI between treatments for multiparous cows (p>0.1). Both primiparous and multiparous cows in the TMR treatments had significantly higher yield of ECM than cows fed SF45 (p<0.001). New coefficients were fitted to the Norfor equation predicting intake capacity (IC) using the …
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Effects of heat-stress-induced physiological changes on the productivity of dairy cattle
… and milk production in primiparous (n=26) and multiparous (n=27) Holstein cows. Glucose was measured in coccygeal vein blood twice weekly using a hand-held glucometer (Abbott Precision Xtra) from May through July. Rectal temperatures were also collected. The days surrounding sample collections …
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CHARACTERIZATION OF SENSOR AND NON-SENSOR COW, HERD MANAGEMENT, AND ENVIRONMENTAL DATA AND USE OF MACHINE LEARNING ALGORITHMS FOR PREDICTION OF PREGNANCY IN DAIRY CATTLE
… 56 d after calving for 932 primiparous and 2,070 multiparous cows with a FS pregnancy outcome were available for analysis. Daily data were summarized as the average of seven periods of 4 to 7 d long from -14 to 56 d after calving and from -27 to -11, -10 to -3, -2 to - 1 d relative to timed AI for …
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Effects of Prepartum Energy and Protein Density on Productivity and Influence of Dietary Iron on Copper Status of Holstein and Jersey Cattle
In experiment 1, 24 multiparous Holsteins and 24 multiparous Jerseys were assigned at random to one of four diets containing either 1.25, 1.38, 1.50, or 1.63 Mcal NEL/kg DM to determine the effects of prepartum energy density on productivity. Cows were assigned to diets 28 d before expected calving …
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Nutritional Management Strategies to Increase Energy Intake of Lactating Cows
… 71 Holstein dairy cows (34 primiparous and 3 7 multiparous) in a total lactation trial. Cows were randomly assigned at parturition to 1 of 3 dietary treatment regimes: Control (CON = 50:50 forage: concentrate (F: C) first 100 d); increased caloric density from fermentable carbohydrates (CHO = 45 …
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Protected Methionine and Heat-Treated Soybean Meal for High-Producing Dairy Cows
… Twenty-four Holstein cows (14 primiparous and 10 multiparous) were fed concentrate containing heat-treated· soybean meal without or with 50 g/cow/day of added ruminally protected methionine product which provided 15 g of added DL-methionine daily. Cows were fed 16% crude protein mixed diets …
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Fishmeal substituted for soybean meal fed at two TDN levels for lactating dairy cows
Thirty multiparous Holstein and twelve multiparous Jersey cows were used to determine the effect of diets (3x2 factorial) containing 0,1,2 kg of fish meal (FM) and energy levels of 70 and 75% TDN on milk production and composition. Basal diets contained 83% corn silage and 10.3% concentrate for the …
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Phenotypic Relationships between Lactation persistency and Common Health Disorders in Dairy Cows
… effect on persistencies of both primiparous and multiparous cows (p<0.001 in Study 1 and p<0.001 in Study 2). Mastitis in early lactation appeared to increase persistency more often in multiparous cows (p<0.05 in Study 1 and p<0.005 in Study 2). Mastitis in late lactation had considerable but …
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The use of activity measures in combination with physiological factors as indicators of disease in dairy cattle
… coli mastitis. A total of 24 primiparous and multiparous lactating dairy cows were challenged with E.coli 727 in one quarter. Of the 24 E.coli challenged animals, 12 were administered FM at 0.002 µg/45.5kg of body weight at the onset of clinical mastitis signs. The remaining 12 cows were …
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Fatty Acid Composition of Milk, Cream, and Butter as Influenced by Feeding Cows Fish Oil, Extruded Soybeans, or Their Combination
<p>Milk was collected from 8 multiparous Holstein and 4 multiparous Brown Swiss cows, which were distributed into 4 treatments in a four-4 week period, arranged in a randomized complete block design. The 4 treatments included a control diet comprising of a 50:50 ratio of forage-to-concentrate; a …
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Continuous measurement of cervical dilatation during labour
… A cervical dilatation recording from a multiparous patient is presented and discussed.
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Using Silvopasture to Mitigate Heat Stress in Grazing Beef Cattle
… shaded and non-shaded pastures. Twenty-two multiparous cows were monitored over a 20-day summer trial in East Texas. Data were collected on respiration rate, heart rate, heat stress scores, and behaviors including eating, ruminating, walking, and resting. Average respiration rates and …
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Love or protection? Defining and measuring maternal-fetal attachment from the woman’s perspective
… on an opportunity sample of 10 (5 primigravid; 5 multiparous) women in the final trimester of pregnancy followed by 3 focus groups targeting specific groups – primigravid women (6 participants); multiparous women (7 participants) and teenagers (4 participants). Data analysis was through constant …
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Studies Into the Significance of Distal Cytoplasmic Droplets in Porcine Semen
… in a timed, double insemination of 5,926 multiparous sows. Experimental groups consisted of heterospermic doses containing either 3 x 109 total sperm with normal morphology exceeding 80% (TSN), 3 x 109 'viable' sperm with normal morphology exceeding 80% (VIABLE), 3 x 109 total sperm with a …
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