PALATABILITYThe taste and flavor property of a feedstuffs that make them more or less acceptable to be eaten.
PANCREASAn irregularly shaped gland that secretes pancreatic juice into the duodenum and produces insulin that is released into the blood.
PAPILLAE (reticulo-rumen)1. Small projections on the inner surface of the rumen and the reticulum wall that increase the surface area of absorption of volatile fatty acids and other end-products of bacterial fermentation.
PAPILLAE (tongue)Protuberances at the surface of the tongue that detect the taste of a feed.
PARTURITIONThe act of giving birth (Syn Calving).
PEPSINA digestive enzyme found in the gastric juice that breaks down proteins into peptides.
PEPTIDE1. At least 2 but not more that 100 amino acids linked together by a peptic bound. 2. Product of pepsin digestion of proteins.
pHA measure of acidity or alkalinity of a solution. Values range from 0 (most acid) to 14 (most basic), with neutrality at pH 7.
PHENOLIC (compound)Organic substance in which the carbon atoms are linked together in a ring structure (also called aromatic structure). Lignin is an example of phenolic compound.
PHOTOSYNTHESISThe process by which the chlorophyll of plants converts carbon dioxide and water into simple sugars with the simultaneous release of oxygen.
PLACENTAAn organ that develops during pregnancy in female mammals. It lines the uterus and partially envelopes the fetus, to which it is attached by the umbilical cord. Following birth, the placenta, then called the after birth, is normally expelled. The retention of the placenta usually leads to bacterial infection of the uterus called metritis.
PODThe structure that contains the seeds of leguminous plants. It usually splits open after drying of the plant.
POLISH (to)To free from coarseness; to refine.
POLYGASTRICHaving more than one digestive cavity; Having a stomach divided into different chambers (e.g., ruminants).
POPULATION (statistics)The set of individuals, items, or data from which a statistical sample is taken. In statistical terms, a population is defined as a larger set from which samples are obtained.
PRECISION1. The degree with which a measurement is reproducible, that is, yielding similar results when repeated (see also Accuracy).
2. the number of significant digits to which a value has been reliably measured.
PREGNANTHaving one or several fetus growing inside the uterus.
PRIMIPAROUS (cow)1. A young cow that is pregnant for the first time. 2. A cow that has given birth once.
PROTEASE
PROTEIN
PROTOZOAN
PYLORUS