An arrangement configured to measure at least one biomarker value of a milk sample of an animal; which arrangement comprises: a cassette comprising: a carrier tape comprising a plurality of test zones (180a, 180b, 180c), which test zones (180a, 180b, 180c) are configured to indicate the biomarker value of the milk sample; and wherein the carrier tape is arranged on a first spool and a second spool, which spools (131, 132) are arranged to cooperate with a cassette external motor for positional adjustment of the carrier tape; an inspection window configured to enable inspection of the one test zone (180a, 180b, 180c); and a service module, configured to be connected to a milking equipment of the animal; which service module comprises: a camera configured to inspect the one test zone (180a, 180b, 180c) on the carrier tape through the inspection window of the cassette; at least one motor configured to be engaged with at least one of the first spool or the second spool of the cassette, in order to adjust the position of the one test zone (180a, 180b, 180c) on the carrier tape, in relation to the inspection window; a tube element configured to receive the milk sample of the animal via the milking equipment, and provide the milk sample to one of the test zones (180a, 180b, 180c); a needle configured to receive the milk sample of the animal and apply the milk sample to one of the test zones (180a, 180b, 180c); a pump configured to act on the tube element for providing the milk sample to the needle, characterized in that the motor is configured to adjust the position of the one test zone (180a, 180b, 180c) on the carrier tape, based on an alignment of the needle and the one test zone (180a, 180b, 180c); which alignment is supervised by the camera through the inspection window of the cassette. a cassette comprising: a carrier tape comprising a plurality of test zones (180a, 180b, 180c), which test zones (180a, 180b, 180c) are configured to indicate the biomarker value of the milk sample; and wherein the carrier tape is arranged on a first spool and a second spool, which spools (131, 132) are arranged to cooperate with a cassette external motor for positional adjustment of the carrier tape; an inspection window configured to enable inspection of the one test zone (180a, 180b, 180c); and a carrier tape comprising a plurality of test zones (180a, 180b, 180c), which test zones (180a, 180b, 180c) are configured to indicate the biomarker value of the milk sample; and wherein the carrier tape is arranged on a first spool and a second spool, which spools (131, 132) are arranged to cooperate with a cassette external motor for positional adjustment of the carrier tape; an inspection window configured to enable inspection of the one test zone (180a, 180b, 180c); and a service module, configured to be connected to a milking equipment of the animal; which service module comprises: a camera configured to inspect the one test zone (180a, 180b, 180c) on the carrier tape through the inspection window of the cassette; at least one motor configured to be engaged with at least one of the first spool or the second spool of the cassette, in order to adjust the position of the one test zone (180a, 180b, 180c) on the carrier tape, in relation to the inspection window; a tube element configured to receive the milk sample of the animal via the milking equipment, and provide the milk sample to one of the test zones (180a, 180b, 180c); a needle configured to receive the milk sample of the animal and apply the milk sample to one of the test zones (180a, 180b, 180c); a pump configured to act on the tube element for providing the milk sample to the needle, a camera configured to inspect the one test zone (180a, 180b, 180c) on the carrier tape through the inspection window of the cassette; at least one motor configured to be engaged with at least one of the first spool or the second spool of the cassette, in order to adjust the position of the one test zone (180a, 180b, 180c) on the carrier tape, in relation to the inspection window; a tube element configured to receive the milk sample of the animal via the milking equipment, and provide the milk sample to one of the test zones (180a, 180b, 180c); a needle configured to receive the milk sample of the animal and apply the milk sample to one of the test zones (180a, 180b, 180c); a pump configured to act on the tube element for providing the milk sample to the needle,