By Colin Harrison, Alan Greensmirh.
Энциклопедия для орнитолога. 422 страницы посвящённые птицам и всему, что с ним связано
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Extra resources for Birds of the world
Lack of irritation if the drug solution is applied topically, especially important in the case of ophthalmic preparations 3. This is because cats slowly form glucuronide conjugates due to a deficiency in microsomal UDPglucuronyl transferase (Robinson and Williams, 1958). Emulsions An emulsion is a thermodynamically unstable heterogeneous system consisting of at least one immiscible liquid intimately dispersed in another in the form of droplets. It is likely that the bioavailability of other poorly watersoluble compounds would be increased when administered as oil/water emulsions.
To be successful Page 17 Table 2 Average Length of Various Stages of Reproductive Cycles of Domestic Animals Species Duration of estrous cycle Lenght of estrus Time of ovulation Time fertilized Time of ova enter uterus implantation (after (after conception) conception) Marea Cow 21 days 21 days 5–6 days 18 h 3–4 days 3–4 days 30–35 days 30–35 days Epitheliochorial Epitheliochorial 345 days 280 days Ewea 17 days 36 h 3–5 days 15–18 days Syndesmochorial 147 days Doea (goat) 20 days 40 h 4 days 20–25 days Syndesmochorial 147 days Sow 21 days 45 h Last day of estrus 12 h after end of estrus 30 h after beginning of estrus 30–36 h after beginning of estrus 36–40 h after beginning of estrus 3–4 days 14–20 days Epitheliochorial 113 days First or second day of estrus 5–6 days 15 days Endotheliochorial 64 days Induced 24–32 h 4 days 13 days Endotheliochorial 65 days Bitch Queen* In estrus at 7–8 month Proestrus, 9 intervals depending on days; estrus, breed 16 days (nonbred) (pseudopregnancy 5–6 days lasts 36 days) Source: Modified from Hansel and McEntee (1977).
Commercially available capsules, which are intended mainly for use in humans, often contain an inappropriate dose for most animal species. In selecting the type of capsule to be used, consideration must be given to the following: 1. Specialized equipment is required for this process (Stanley, 1970). 2. Vehicles that may be used fall into two categories: a. Waterimmiscible, volatile and nonvolatile, such as vegetable oils and mineral oils, aromatic and aliphatic hydrocarbons, chlorinated hydrocarbons, ethers, esters, alcohols, ketones, fatty acids, etc.
Birds of the world by Colin Harrison, Alan Greensmirh.