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Titlebook: Applied Fish Pharmacology; K. M. Treves-Brown Book 2000 Springer Science+Business Media Dordrecht 2000 Fluoroquinolone.Sulfonamide.aquacul

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發(fā)表于 2025-3-30 11:18:32 | 只看該作者
52#
發(fā)表于 2025-3-30 15:27:56 | 只看該作者
Information Architecture Designish will reproduce in garden ponds, and many species of tropical ornamentals will reproduce in tanks, in both cases the livemass of fish per unit volume of water being less than economic for food production. Carp would have spawned naturally in the ponds of mediaeval monasteries but their keepers wo
53#
發(fā)表于 2025-3-30 20:21:43 | 只看該作者
Information Architecture Design and most economic food conversion ratio (FCR). In some species of fish, notably tilapia and salmonids, there are problems relating to sexual maturation and there are economic advantages in growing single-sex populations. Tilapia have high fecundity but somatic growth can be stunted when they are ke
54#
發(fā)表于 2025-3-31 00:16:58 | 只看該作者
https://doi.org/10.1007/978-3-030-96264-7nce of the treated animal to infections in general. They are effective against both overt and sub-clinical disease. As medicinal agents for the control of overt disease they have important safety advantages in that they have none of the negative effects which antibacterial drugs and live vaccines ha
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發(fā)表于 2025-3-31 03:38:44 | 只看該作者
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發(fā)表于 2025-3-31 06:52:30 | 只看該作者
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發(fā)表于 2025-3-31 09:13:10 | 只看該作者
58#
發(fā)表于 2025-3-31 16:37:41 | 只看該作者
Methods of Drug Administrationtanding advantage of simplicity, which is why it is normally recommended for the low molecular weight medicinal products supplied to amateur aquarists. The only expertise required of the user is knowledge of the volume of water into which the product is to be mixed, a correct measurement of the corr
59#
發(fā)表于 2025-3-31 18:07:23 | 只看該作者
The LawSafety in this context comprises all four aspects listed in Section 2.1.1 and elaborated in Chapter 2. These legislative aims have resulted in enactments of two distinct kinds: in the first case control is exercised over who may supply and use medicinal substances and how they should be labelled; in
60#
發(fā)表于 2025-3-31 21:46:37 | 只看該作者
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