gustavowizard123 or ahznb help

hello gustavowizard123 and ahznb I see that you two know how to make a baby mob in 1.15 you could edit my code to generate a baby mob

package net.mcreator.varius.entity;

import net.minecraftforge.registries.ForgeRegistries;
import net.minecraftforge.fml.network.FMLPlayMessages;
import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
import net.minecraftforge.fml.client.registry.RenderingRegistry;
import net.minecraftforge.eventbus.api.SubscribeEvent;
import net.minecraftforge.client.event.ModelRegistryEvent;
import net.minecraftforge.api.distmarker.OnlyIn;
import net.minecraftforge.api.distmarker.Dist;

import net.minecraft.world.gen.Heightmap;
import net.minecraft.world.biome.Biome;
import net.minecraft.world.World;
import net.minecraft.util.math.MathHelper;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.DamageSource;
import net.minecraft.item.crafting.Ingredient;
import net.minecraft.item.SpawnEggItem;
import net.minecraft.item.Items;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemGroup;
import net.minecraft.item.Item;
import net.minecraft.entity.passive.AnimalEntity;
import net.minecraft.entity.ai.goal.TemptGoal;
import net.minecraft.entity.ai.goal.SwimGoal;
import net.minecraft.entity.ai.goal.RandomWalkingGoal;
import net.minecraft.entity.ai.goal.MeleeAttackGoal;
import net.minecraft.entity.ai.goal.LookRandomlyGoal;
import net.minecraft.entity.ai.goal.HurtByTargetGoal;
import net.minecraft.entity.ai.goal.FollowParentGoal;
import net.minecraft.entity.ai.goal.FollowMobGoal;
import net.minecraft.entity.SharedMonsterAttributes;
import net.minecraft.entity.EntityType;
import net.minecraft.entity.EntitySpawnPlacementRegistry;
import net.minecraft.entity.EntityClassification;
import net.minecraft.entity.Entity;
import net.minecraft.entity.CreatureAttribute;
import net.minecraft.entity.AgeableEntity;
import net.minecraft.client.renderer.model.ModelRenderer;
import net.minecraft.client.renderer.entity.model.EntityModel;
import net.minecraft.client.renderer.entity.MobRenderer;

import net.mcreator.varius.VariusModElements;

import com.mojang.blaze3d.vertex.IVertexBuilder;
import com.mojang.blaze3d.matrix.MatrixStack;

@VariusModElements.ModElement.Tag
public class GallinadeguinaEntity extends VariusModElements.ModElement {
    public static EntityType entity = null;
    public GallinadeguinaEntity(VariusModElements instance) {
        super(instance, 24);
        FMLJavaModLoadingContext.get().getModEventBus().register(this);
    }

    @Override
    public void initElements() {
        entity = (EntityType.Builder.<CustomEntity>create(CustomEntity::new, EntityClassification.CREATURE).setShouldReceiveVelocityUpdates(true)
                .setTrackingRange(64).setUpdateInterval(3).setCustomClientFactory(CustomEntity::new).size(0.6f, 1.8f)).build("gallinadeguina")
                        .setRegistryName("gallinadeguina");
        elements.entities.add(() -> entity);
        elements.items.add(() -> new SpawnEggItem(entity, -1, -1, new Item.Properties().group(ItemGroup.MISC)).setRegistryName("gallinadeguina"));
    }

    @Override
    public void init(FMLCommonSetupEvent event) {
        for (Biome biome : ForgeRegistries.BIOMES.getValues()) {
            biome.getSpawns(EntityClassification.CREATURE).add(new Biome.SpawnListEntry(entity, 20, 4, 4));
        }
        EntitySpawnPlacementRegistry.register(entity, EntitySpawnPlacementRegistry.PlacementType.ON_GROUND, Heightmap.Type.MOTION_BLOCKING_NO_LEAVES,
                AnimalEntity::canAnimalSpawn);
    }

    @SubscribeEvent
    @OnlyIn(Dist.CLIENT)
    public void registerModels(ModelRegistryEvent event) {
        RenderingRegistry.registerEntityRenderingHandler(entity, renderManager -> {
            return new MobRenderer(renderManager, new Modelchicken(), 0.5f) {
                @Override
                public ResourceLocation getEntityTexture(Entity entity) {
                    return new ResourceLocation("varius:textures/chicken.png");
                }
            };
        });
    }
    public static class CustomEntity extends AnimalEntity {
        public CustomEntity(FMLPlayMessages.SpawnEntity packet, World world) {
            this(entity, world);
        }

        public CustomEntity(EntityType<CustomEntity> type, World world) {
            super(type, world);
            experienceValue = 0;
            setNoAI(false);
        }

        @Override
        protected void registerGoals() {
            super.registerGoals();
            this.goalSelector.addGoal(1, new MeleeAttackGoal(this, 1.2, false));
            this.goalSelector.addGoal(2, new RandomWalkingGoal(this, 1));
            this.targetSelector.addGoal(3, new HurtByTargetGoal(this));
            this.goalSelector.addGoal(4, new LookRandomlyGoal(this));
            this.goalSelector.addGoal(5, new SwimGoal(this));
            this.goalSelector.addGoal(6, new TemptGoal(this, 1, Ingredient.fromItems(new ItemStack(Items.WHEAT_SEEDS, (int) (1)).getItem()), false));
            this.goalSelector.addGoal(7, new FollowParentGoal(this, 0.8));
            this.goalSelector.addGoal(8, new FollowMobGoal(this, (float) 1, 10, 5));
        }

        @Override
        public CreatureAttribute getCreatureAttribute() {
            return CreatureAttribute.UNDEFINED;
        }

        protected void dropSpecialItems(DamageSource source, int looting, boolean recentlyHitIn) {
            super.dropSpecialItems(source, looting, recentlyHitIn);
        }

        @Override
        public net.minecraft.util.SoundEvent getAmbientSound() {
            return (net.minecraft.util.SoundEvent) ForgeRegistries.SOUND_EVENTS.getValue(new ResourceLocation(""));
        }

        @Override
        public net.minecraft.util.SoundEvent getHurtSound(DamageSource ds) {
            return (net.minecraft.util.SoundEvent) ForgeRegistries.SOUND_EVENTS.getValue(new ResourceLocation("entity.generic.hurt"));
        }

        @Override
        public net.minecraft.util.SoundEvent getDeathSound() {
            return (net.minecraft.util.SoundEvent) ForgeRegistries.SOUND_EVENTS.getValue(new ResourceLocation("entity.generic.death"));
        }

        @Override
        protected float getSoundVolume() {
            return 1.0F;
        }

        @Override
        protected void registerAttributes() {
            super.registerAttributes();
            if (this.getAttribute(SharedMonsterAttributes.MOVEMENT_SPEED) != null)
                this.getAttribute(SharedMonsterAttributes.MOVEMENT_SPEED).setBaseValue(0.3);
            if (this.getAttribute(SharedMonsterAttributes.MAX_HEALTH) != null)
                this.getAttribute(SharedMonsterAttributes.MAX_HEALTH).setBaseValue(10);
            if (this.getAttribute(SharedMonsterAttributes.ARMOR) != null)
                this.getAttribute(SharedMonsterAttributes.ARMOR).setBaseValue(0);
            if (this.getAttribute(SharedMonsterAttributes.ATTACK_DAMAGE) == null)
                this.getAttributes().registerAttribute(SharedMonsterAttributes.ATTACK_DAMAGE);
            this.getAttribute(SharedMonsterAttributes.ATTACK_DAMAGE).setBaseValue(3);
        }

        @Override
        public AgeableEntity createChild(AgeableEntity ageable) {
            return (CustomEntity) entity.create(this.world);
        }

        @Override
        public boolean isBreedingItem(ItemStack stack) {
            if (stack == null)
                return false;
            if (new ItemStack(Items.WHEAT_SEEDS, (int) (1)).getItem() == stack.getItem())
                return true;
            return false;
        }
    }

    // Made with Blockbench 3.5.4
    // Exported for Minecraft version 1.15
    // Paste this class into your mod and generate all required imports
    public static class Modelchicken extends EntityModel<Entity> {
        private final ModelRenderer body;
        private final ModelRenderer head;
        private final ModelRenderer leg0;
        private final ModelRenderer leg1;
        private final ModelRenderer wing0;
        private final ModelRenderer wing1;
        public Modelchicken() {
            textureWidth = 64;
            textureHeight = 32;
            body = new ModelRenderer(this);
            body.setRotationPoint(0.0F, 16.0F, 0.0F);
            body.setTextureOffset(0, 9).addBox(-4.0F, -4.0F, -3.0F, 6.0F, 8.0F, 10.0F, 0.0F, true);
            body.setTextureOffset(17, 0).addBox(-1.0F, -3.0F, 7.0F, 1.0F, 5.0F, 4.0F, 0.0F, false);
            head = new ModelRenderer(this);
            head.setRotationPoint(0.0F, -1.0F, -4.0F);
            body.addChild(head);
            head.setTextureOffset(33, 26).addBox(-3.0F, -9.0F, -1.0F, 4.0F, 3.0F, 3.0F, 0.0F, true);
            head.setTextureOffset(48, 20).addBox(-2.0F, -6.0F, -1.0F, 2.0F, 6.0F, 3.0F, 0.0F, false);
            head.setTextureOffset(0, 0).addBox(-1.0F, -12.0F, 0.0F, 0.0F, 3.0F, 4.0F, 0.0F, false);
            head.setTextureOffset(56, 28).addBox(-2.0F, -8.0F, -3.0F, 2.0F, 2.0F, 2.0F, 0.0F, true);
            head.setTextureOffset(0, 0).addBox(-2.0F, -6.0F, -2.0F, 2.0F, 1.0F, 1.0F, 0.0F, false);
            leg0 = new ModelRenderer(this);
            leg0.setRotationPoint(2.0F, 19.0F, 1.0F);
            leg0.setTextureOffset(26, 0).addBox(-3.0F, 0.0F, 0.0F, 3.0F, 5.0F, 3.0F, 0.0F, true);
            leg1 = new ModelRenderer(this);
            leg1.setRotationPoint(-1.0F, 19.0F, 1.0F);
            leg1.setTextureOffset(26, 0).addBox(-4.0F, 0.0F, 0.0F, 3.0F, 5.0F, 3.0F, 0.0F, true);
            wing0 = new ModelRenderer(this);
            wing0.setRotationPoint(3.0F, 13.0F, 0.0F);
            wing0.setTextureOffset(50, 0).addBox(-1.0F, 1.0F, -2.0F, 1.0F, 4.0F, 6.0F, 0.0F, true);
            wing1 = new ModelRenderer(this);
            wing1.setRotationPoint(-4.5F, 16.0F, 1.0F);
            setRotationAngle(wing1, 0.0F, 0.0F, -3.1416F);
            wing1.setTextureOffset(50, 0).addBox(-0.5F, -2.0F, -3.0F, 1.0F, 4.0F, 6.0F, 0.0F, true);
        }

        @Override
        public void render(MatrixStack matrixStack, IVertexBuilder buffer, int packedLight, int packedOverlay, float red, float green, float blue,
                float alpha) {
            body.render(matrixStack, buffer, packedLight, packedOverlay);
            leg0.render(matrixStack, buffer, packedLight, packedOverlay);
            leg1.render(matrixStack, buffer, packedLight, packedOverlay);
            wing0.render(matrixStack, buffer, packedLight, packedOverlay);
            wing1.render(matrixStack, buffer, packedLight, packedOverlay);
        }

        public void setRotationAngle(ModelRenderer modelRenderer, float x, float y, float z) {
            modelRenderer.rotateAngleX = x;
            modelRenderer.rotateAngleY = y;
            modelRenderer.rotateAngleZ = z;
        }

        public void setRotationAngles(Entity e, float f, float f1, float f2, float f3, float f4) {
            this.head.rotateAngleY = f3 / (180F / (float) Math.PI);
            this.head.rotateAngleX = f4 / (180F / (float) Math.PI);
            this.leg0.rotateAngleX = MathHelper.cos(f * 1.0F) * -1.0F * f1;
            this.leg1.rotateAngleX = MathHelper.cos(f * 1.0F) * 1.0F * f1;
        }
    }
}

in case i can use a custom baby model attached my baby model

// Made with Blockbench 3.5.4
// Exported for Minecraft version 1.15
// Paste this class into your mod and generate all required imports

public class geometry.chicken extends EntityModel<Entity> {
    private final ModelRenderer body;
    private final ModelRenderer head;
    private final ModelRenderer leg0;
    private final ModelRenderer leg1;
    private final ModelRenderer wing0;
    private final ModelRenderer wing1;

    public geometry.chicken() {
        textureWidth = 64;
        textureHeight = 32;

        body = new ModelRenderer(this);
        body.setRotationPoint(0.0F, 16.0F, 0.0F);
        body.setTextureOffset(0, 0).addBox(-2.8F, 2.0F, -3.0F, 4.0F, 4.0F, 6.0F, 0.0F, false);
        body.setTextureOffset(2, 22).addBox(-0.8F, 2.5F, 3.0F, 0.0F, 3.0F, 4.0F, 0.0F, false);

        head = new ModelRenderer(this);
        head.setRotationPoint(0.0F, -1.0F, -4.0F);
        body.addChild(head);
        head.setTextureOffset(32, 18).addBox(-2.6F, -3.0F, -1.0F, 4.0F, 4.0F, 4.0F, 0.0F, false);
        head.setTextureOffset(56, 28).addBox(-1.6F, -2.0F, -3.0F, 2.0F, 2.0F, 2.0F, 0.0F, false);
        head.setTextureOffset(48, 20).addBox(-1.7F, 1.0F, 0.0F, 2.0F, 3.0F, 2.0F, 0.0F, false);

        leg0 = new ModelRenderer(this);
        leg0.setRotationPoint(2.0F, 3.0F, 1.0F);
        body.addChild(leg0);
        leg0.setTextureOffset(26, 0).addBox(-3.0F, 3.0F, -3.0F, 3.0F, 2.0F, 3.0F, 0.0F, true);

        leg1 = new ModelRenderer(this);
        leg1.setRotationPoint(-1.0F, 3.0F, 1.0F);
        body.addChild(leg1);
        leg1.setTextureOffset(32, 11).addBox(-2.5F, 3.0F, -3.0F, 3.0F, 2.0F, 3.0F, 0.0F, true);

        wing0 = new ModelRenderer(this);
        wing0.setRotationPoint(3.0F, -3.0F, 0.0F);
        body.addChild(wing0);
        wing0.setTextureOffset(48, 0).addBox(-1.8F, 5.5F, -2.0F, 1.0F, 3.0F, 4.0F, 0.0F, false);

        wing1 = new ModelRenderer(this);
        wing1.setRotationPoint(-4.5F, 0.0F, 1.0F);
        body.addChild(wing1);
        wing1.setTextureOffset(48, 8).addBox(0.7F, 2.5F, -3.0F, 1.0F, 3.0F, 4.0F, 0.0F, false);
    }

    @Override
    public void setRotationAngles(Entity entity, float limbSwing, float limbSwingAmount, float ageInTicks, float netHeadYaw, float headPitch){
        //previously the render function, render code was moved to a method below
    }

    @Override
    public void render(MatrixStack matrixStack, IVertexBuilder buffer, int packedLight, int packedOverlay, float red, float green, float blue, float alpha){
        body.render(matrixStack, buffer, packedLight, packedOverlay);
    }

    public void setRotationAngle(ModelRenderer modelRenderer, float x, float y, float z) {
        modelRenderer.rotateAngleX = x;
        modelRenderer.rotateAngleY = y;
        modelRenderer.rotateAngleZ = z;
    }
}

and the texture

https://imgur.com/CKoX6Pd