1def predict_adult_weight(breed, age_in_weeks, current_weight_lbs):
2    # Define growth multipliers by breed size and age
3    growth_multipliers = {
4        "toy": {"early": 3.5, "middle": 2.5, "late": 1.5},
5        "small": {"early": 3.0, "middle": 2.0, "late": 1.5},
6        "medium": {"early": 2.5, "middle": 2.0, "late": 1.25},
7        "large": {"early": 2.0, "middle": 1.75, "late": 1.25},
8        "giant": {"early": 1.8, "middle": 1.5, "late": 1.2}
9    }
10    
11    # Map breeds to size categories
12    breed_sizes = {
13        "Chihuahua": "toy",
14        "Yorkshire Terrier": "toy",
15        "Beagle": "small",
16        "Bulldog": "medium",
17        "Labrador Retriever": "large",
18        "Great Dane": "giant"
19        # Add more breeds as needed
20    }
21    
22    # Get breed size category
23    breed_size = breed_sizes.get(breed, "medium")
24    
25    # Determine growth stage based on age
26    if age_in_weeks < 12:
27        growth_stage = "early"
28    elif age_in_weeks < 20:
29        growth_stage = "middle"
30    else:
31        growth_stage = "late"
32    
33    # Calculate estimated adult weight
34    multiplier = growth_multipliers[breed_size][growth_stage]
35    return current_weight_lbs * multiplier
36
37# Example usage
38adult_weight = predict_adult_weight("Labrador Retriever", 10, 15)
39print(f"Estimated adult weight: {adult_weight:.1f} lbs")
40

1public class PuppySizePredictor {
2    public static double predictAdultWeight(String breed, int ageInWeeks, double currentWeightLbs) {
3        // Define growth multipliers
4        Map<String, Map<String, Double>> growthMultipliers = new HashMap<>();
5        
6        // Toy breeds
7        Map<String, Double> toyMultipliers = new HashMap<>();
8        toyMultipliers.put("early", 3.5);
9        toyMultipliers.put("middle", 2.5);
10        toyMultipliers.put("late", 1.5);
11        growthMultipliers.put("toy", toyMultipliers);
12        
13        // Small breeds
14        Map<String, Double> smallMultipliers = new HashMap<>();
15        smallMultipliers.put("early", 3.0);
16        smallMultipliers.put("middle", 2.0);
17        smallMultipliers.put("late", 1.5);
18        growthMultipliers.put("small", smallMultipliers);
19        
20        // Medium breeds
21        Map<String, Double> mediumMultipliers = new HashMap<>();
22        mediumMultipliers.put("early", 2.5);
23        mediumMultipliers.put("middle", 2.0);
24        mediumMultipliers.put("late", 1.25);
25        growthMultipliers.put("medium", mediumMultipliers);
26        
27        // Large breeds
28        Map<String, Double> largeMultipliers = new HashMap<>();
29        largeMultipliers.put("early", 2.0);
30        largeMultipliers.put("middle", 1.75);
31        largeMultipliers.put("late", 1.25);
32        growthMultipliers.put("large", largeMultipliers);
33        
34        // Giant breeds
35        Map<String, Double> giantMultipliers = new HashMap<>();
36        giantMultipliers.put("early", 1.8);
37        giantMultipliers.put("middle", 1.5);
38        giantMultipliers.put("late", 1.2);
39        growthMultipliers.put("giant", giantMultipliers);
40        
41        // Map breeds to size categories
42        Map<String, String> breedSizes = new HashMap<>();
43        breedSizes.put("Chihuahua", "toy");
44        breedSizes.put("Yorkshire Terrier", "toy");
45        breedSizes.put("Beagle", "small");
46        breedSizes.put("Bulldog", "medium");
47        breedSizes.put("Labrador Retriever", "large");
48        breedSizes.put("Great Dane", "giant");
49        
50        // Get breed size category
51        String breedSize = breedSizes.getOrDefault(breed, "medium");
52        
53        // Determine growth stage based on age
54        String growthStage;
55        if (ageInWeeks < 12) {
56            growthStage = "early";
57        } else if (ageInWeeks < 20) {
58            growthStage = "middle";
59        } else {
60            growthStage = "late";
61        }
62        
63        // Calculate estimated adult weight
64        double multiplier = growthMultipliers.get(breedSize).get(growthStage);
65        return currentWeightLbs * multiplier;
66    }
67    
68    public static void main(String[] args) {
69        double adultWeight = predictAdultWeight("Labrador Retriever", 10, 15);
70        System.out.printf("Estimated adult weight: %.1f lbs%n", adultWeight);
71    }
72}
73

1' Excel VBA Function for Puppy Size Prediction
2Function PredictAdultWeight(breed As String, ageInWeeks As Integer, currentWeightLbs As Double) As Double
3    Dim breedSize As String
4    Dim growthStage As String
5    Dim multiplier As Double
6    
7    ' Determine breed size category
8    Select Case breed
9        Case "Chihuahua", "Yorkshire Terrier", "Maltese", "Pomeranian", "Toy Poodle"
10            breedSize = "toy"
11        Case "Beagle", "Miniature Schnauzer", "Shih Tzu", "French Bulldog", "Dachshund"
12            breedSize = "small"
13        Case "Border Collie", "Bulldog", "Australian Shepherd", "Siberian Husky", "Boxer"
14            breedSize = "medium"
15        Case "Labrador Retriever", "German Shepherd", "Golden Retriever", "Doberman Pinscher", "Rottweiler"
16            breedSize = "large"
17        Case "Great Dane", "Saint Bernard", "Newfoundland", "Bernese Mountain Dog", "Mastiff"
18            breedSize = "giant"
19        Case Else
20            breedSize = "medium" ' Default to medium if breed not found
21    End Select
22    
23    ' Determine growth stage based on age
24    If ageInWeeks < 12 Then
25        growthStage = "early"
26    ElseIf ageInWeeks < 20 Then
27        growthStage = "middle"
28    Else
29        growthStage = "late"
30    End If
31    
32    ' Set multiplier based on breed size and growth stage
33    Select Case breedSize
34        Case "toy"
35            Select Case growthStage
36                Case "early": multiplier = 3.5
37                Case "middle": multiplier = 2.5
38                Case "late": multiplier = 1.5
39            End Select
40        Case "small"
41            Select Case growthStage
42                Case "early": multiplier = 3
43                Case "middle": multiplier = 2
44                Case "late": multiplier = 1.5
45            End Select
46        Case "medium"
47            Select Case growthStage
48                Case "early": multiplier = 2.5
49                Case "middle": multiplier = 2
50                Case "late": multiplier = 1.25
51            End Select
52        Case "large"
53            Select Case growthStage
54                Case "early": multiplier = 2
55                Case "middle": multiplier = 1.75
56                Case "late": multiplier = 1.25
57            End Select
58        Case "giant"
59            Select Case growthStage
60                Case "early": multiplier = 1.8
61                Case "middle": multiplier = 1.5
62                Case "late": multiplier = 1.2
63            End Select
64    End Select
65    
66    ' Calculate and return estimated adult weight
67    PredictAdultWeight = currentWeightLbs * multiplier
68End Function
69