Metabolic responses of lactating goats to feed restriction and dietary 1,3-butanediol. 1989

J K Drackley, and Y K Kim, and B D Strang, and J W Young
Department of Animal Science, Iowa State University, Ames 50011.

Feed restriction and dietary 1,3-butanediol were used with lactating goats in an attempt to induce metabolic changes characteristic of bovine lactation ketosis and fatty liver. In Experiment 1, midlactation goats were fed 80, 102, or 114% of metabolizable energy requirements and 0, 50, or 100 g/d of 1,3-butanediol. Concentration of beta-hydroxybutyrate in blood plasma decreased with increasing metabolizable energy but was increased greatly at 2 h after goats were fed 50 or 100 g butanediol and remained elevated at 6 h postfeeding with 100 g of butanediol. Concentration of glucose in plasma was decreased at 2 and 6 h postfeeding in goats fed 100 g of butanediol. In Experiment 2, goats in early lactation were fed for ad libitum intake or were restricted to 70% of ad libitum intake with 1,3-butanediol included at 10% of diet DM. The treatment decreased milk production, increased concentrations of beta-hydroxybutyrate and nonesterified fatty acids, and decreased the concentration of insulin and the insulin to glucagon ratio in plasma. Concentrations of glucose, acetate, and glucagon in plasma were not affected. After 28 d of treatment, concentration of total lipid in liver was increased, but concentrations of glycogen and triglyceride were unaffected. Changes caused in goats by feed restriction plus dietary 1,3-butanediol were characteristic of subclinical lactation ketosis in cows, but the response was more moderate than seen previously in cows.

UI MeSH Term Description Entries
D007662 Ketosis A condition characterized by an abnormally elevated concentration of KETONE BODIES in the blood (acetonemia) or urine (acetonuria). It is a sign of DIABETES COMPLICATION, starvation, alcoholism or a mitochondrial metabolic disturbance (e.g., MAPLE SYRUP URINE DISEASE). Ketoacidosis,Metabolic Ketoacidosis,Metabolic Ketosis,Acetonemia,Acetonuria,Ketoacidemia,Ketoaciduria,Ketonemia,Ketonuria,Acetonemias,Acetonurias,Ketoacidemias,Ketoacidoses,Ketoacidoses, Metabolic,Ketoacidosis, Metabolic,Ketoacidurias,Ketonemias,Ketonurias,Ketoses, Metabolic,Ketosis, Metabolic,Metabolic Ketoacidoses,Metabolic Ketoses
D007774 Lactation The processes of milk secretion by the maternal MAMMARY GLANDS after PARTURITION. The proliferation of the mammary glandular tissue, milk synthesis, and milk expulsion or let down are regulated by the interactions of several hormones including ESTRADIOL; PROGESTERONE; PROLACTIN; and OXYTOCIN. Lactation, Prolonged,Milk Secretion,Lactations, Prolonged,Milk Secretions,Prolonged Lactation,Prolonged Lactations
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011897 Random Allocation A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects. Randomization,Allocation, Random
D001786 Blood Glucose Glucose in blood. Blood Sugar,Glucose, Blood,Sugar, Blood
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D002072 Butylene Glycols 4-carbon straight chain aliphatic hydrocarbons substituted with two hydroxyl groups. The hydroxyl groups cannot be on the same carbon atom. Butanediols,Dihydroxybutanes,Glycols, Butylene
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D002418 Cattle Diseases Diseases of domestic cattle of the genus Bos. It includes diseases of cows, yaks, and zebus. Bovine Diseases,Bovine Disease,Cattle Disease,Disease, Bovine,Disease, Cattle,Diseases, Bovine,Diseases, Cattle
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal

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