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CIDRs are approved for use in both beef cattle and dairy heifers in Canada and the United States. [2] CIDRs contain 1.9g of progesterone in Canada and 1.38g in the United States. [2] The CIDR-S is licensed for use in sheep and goats in New Zealand and Australia. [1] The CIDR-G is also suitable for use in ewes, lambs and goats. [4]
Through the use of controlled internal drug release (CIDR), ewes can be bred out of season. CIDR drugs contain progesterone, which is slowly released into the bloodstream, bringing the animal into estrus. [4] In this way, ewes can be bred at different times throughout the year, providing farms with a year-round supply of milk.
Drenching for internal parasites is an important routine on a sheep station. Other activities include ram buying and classing the sheep in order to determine the inferior types that are to be culled. Crops and pastures are often also grown to provide additional feed for the sheep, especially those that will be raised and sold as prime lambs.
The FAA is present in constant conditions such as fasting/time-restricted feeding, and it synchronizes to food that is presented in time intervals that follow a circadian (24 hour) rhythm. Time-restricted feeding is when all of the caloric intake for a day is limited to certain times of the day. [ 9 ]
Sheep have a breeding season (tupping) in the autumn, though some can breed year-round. [1] As a result of the influence of humans on sheep breeding, ewes often produce multiple lambs. This increase in lamb births, both in number and birth weight, may cause problems with delivery and lamb survival, requiring the intervention of shepherds. [2]
Melengestrol acetate (MLGA), sold under the brand names Heifermax and MGA among others, is a progestin medication which is used in animal reproduction. [1] [2] It is not approved for use in humans, and is instead used as an implantable contraceptive for captive animals in zoos and other refuges, [3] and is also used as a feed additive to promote growth in cattle, a purpose it is licensed for ...
The AFO classification is meant to apply to all sizes of operations and is the first step in defining an operation as a Concentrated Animal Feeding Operation (CAFO). Concentrated Animal Feeding Operations are facilities that require federal National Pollutant Discharge Elimination System (NPDES) water quality permits, irrespective of size ...
Rollover sheep handler for crutching, foot inspection and paring, general husbandry, udder inspection etc. Springer - a ewe close to lambing. Stag – a ram castrated after about 6 months of age. Staple – a group of wool fibres that formed a cluster or lock. Store – a sheep (or other meat animal) in good average condition, but not fat ...