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Showing 1 to 7 of 7 for “"dairy calf"”.
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Rapeseed, Sunflower and Soybean Meals as Protein Supplements in Dairy Calf Starters
… been the common protein supplement in many dry calf meals in the Midwest for several years and has been proven to be an acceptable source of both protein and energy. Since the early 1940’s the production of rapeseed (Brassica napis and B. campertris) in Canada has risen tremendously due to the …
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Maternal rumen-protected methionine supplementation alters dairy calf development, postnatal growth, plasma biomarkers, and liver one-carbon metabolism
… metabolic, and immune parameters of the calf at birth and during the neonatal period. Calves born to Holstein cows individually-fed a basal control [CON; 1.47 Mcal/kg dry matter (DM) and 15.3% crude protein] diet with no added Met or CON plus rumen-protected Met (MET; Mepron® at 0.09% of …
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Management, Sanitation, and Accuracy of Automated Calf Feeders
… milk or milk replacer in automated feeders. Six dairy calf operations in Virginia and 4 in Minnesota employing 1 to 2 sophisticated automated calf feeders were visited biweekly for 26 to 28 wk. An initial management survey was conducted for each farm. Observations on facilities, calf weights and …
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Effects of psyllium in milk replacers for neonatal dairy calves
… inclusion in milk replacers for neonatal dairy calves have been minimally researched. The purpose of my research was to determine the impact of psyllium inclusion in milk replacer on feed intake, water intake, growth, illness, digesta viscosity, rate of passage, nutrient digestibilities, …
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Excretion of Antibiotic Resistance Genes by Dairy Calves
… oxytetracycline hydrochloride each fed at 10 mg/calf/d), and therapeutic (no antibiotics in the milk replacer until d 36, then neomycin sulfate and oxytetracycline hydrochloride each fed at 1000 mg/calf/d for 14 d). Calves were fed milk replacer twice daily at 0600 h and 1800 h. Fecal and …
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Antibiotic resistance gene abundance in feces of calves fed pirlimycin-dosed whole milk
… with antibiotics (waste milk) is commonly fed to dairy calves but the effects of ingestion of antibiotics at an early age on the gut microbiome and the development of ARG in the naive gut are not well understood. Pirlimycin, a lincosamide antibiotic acting against Gram positive bacteria through …
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Transcriptomic and metagenomic impacts of dietary energy of milk replacer in pre-weaned Holstein heifers
The variability in calf management can change the physiological state of the calf as they are weaned or attain puberty. It is up to the producer to ensure that the calves develop properly to meet their expected needs on the farm. While there are guidelines from the NRC in place, there is a …