The present disclosure relates to methods of controlling a microbial level in an aqueous fluid or a solid component used in an oilfield operation or a pre- or post-production process associated with wellbore production, the method comprising: measuring a microbial parameter of the aqueous fluid; and subsequently using the measured microbial parameter to decide on an appropriate antimicrobial treatment. These proposals also relate to methods further including monitoring of a microbial parameter in such a fluid or on such a solid component over a period of time. The methods and aspects of the present disclosure may be applied in any oilfield operation or a pre- or post-production process associated with wellbore production.

The present disclosure relates to methods of controlling a microbial level in an aqueous fluid or a solid component used in an oilfield operation or a pre- or post-production process associated with wellbore production, the method comprising: measuring a microbial parameter of the aqueous fluid; and subsequently using the measured microbial parameter to decide on an appropriate antimicrobial treatment. These proposals also relate to methods further including monitoring of a microbial parameter in such a fluid or on such a solid component over a period of time. The methods and aspects of the present disclosure may be applied in any oilfield operation or a pre- or post-production process associated with wellbore production.

There is provided in accordance with an embodiment of the disclosure a spray-on composition for the treatment and prevention of insect or arachnid infestation on a mammal comprising between 0.1% and 1.0% by weight dinotefuran. There is also provided in accordance with an embodiment of the disclosure a method for treatment of an animal at risk of insect or arachnid infestation comprising topically administering to the coat of the animal a composition comprising between 1 and 50 mg dinotefuran per kilogram of animal weight. Optionally, topically administering includes spraying on a majority of the area of the coat of the animal.

There is provided in accordance with an embodiment of the disclosure a spray-on composition for the treatment and prevention of insect or arachnid infestation on a mammal comprising between 0.1% and 1.0% by weight dinotefuran. There is also provided in accordance with an embodiment of the disclosure a method for treatment of an animal at risk of insect or arachnid infestation comprising topically administering to the coat of the animal a composition comprising between 1 and 50 mg dinotefuran per kilogram of animal weight. Optionally, topically administering includes spraying on a majority of the area of the coat of the animal.

A fungicidal composition containing a fungicidally effective amount of the compound of Formula I:

##STR00001##

5-fluoro-4-imino-3-methyl-1-tosyl-3,4-dihydropyrimidin-2(1H)-one, and at least one fungicide to provide synergistic control of selected fungi, wherein the at least one fungicide is a succinate dehydrogenase-inhibitor.

A fungicidal composition containing a fungicidally effective amount of the compound of Formula I:

##STR00001##

5-fluoro-4-imino-3-methyl-1-tosyl-3,4-dihydropyrimidin-2(1H)-one, and at least one fungicide to provide synergistic control of selected fungi, wherein the at least one fungicide is a succinate dehydrogenase-inhibitor.

A fungicidal composition containing a fungicidally effective amount of the compound of Formula I:

##STR00001##

5-fluoro-4-imino-3-methyl-1-tosyl-3,4-dihydropyrimidin-2(1H)-one, and at least one fungicide to provide synergistic control of selected fungi, wherein the at least one fungicide is a succinate dehydrogenase-inhibitor.

A fungicidal composition containing a fungicidally effective amount of the compound of Formula I:

##STR00001##

5-fluoro-4-imino-3-methyl-1-tosyl-3,4-dihydropyrimidin-2(1H)-one, and at least one fungicide to provide synergistic control of selected fungi wherein the at least one fungicide is a multi-site inhibitor or a strobilurin inhibitor.

A fungicidal composition containing a fungicidally effective amount of the compound of Formula I:

##STR00001##

5-fluoro-4-imino-3-methyl-1-tosyl-3,4-dihydropyrimidin-2(1H)-one, and at least one fungicide to provide synergistic control of selected fungi wherein the at least one fungicide is a multi-site inhibitor or a strobilurin inhibitor.

A fungicidal composition containing a fungicidally effective amount of the compound of Formula I:

##STR00001##

5-fluoro-4-imino-3-methyl-1-tosyl-3,4-dihydropyrimidin-2(1H)-one, and at least one fungicide to provide synergistic control of selected fungi wherein the at least one fungicide is a multi-site inhibitor or a strobilurin inhibitor.